加减乘除混合运算练习题

混合运算 8 X 3 + 26 = 20 - 2 X 3 = 36 ÷( 18 - 9 )= 12 ÷ 3 + 5 = 9 18 9 4 36 3 4 12 6 X 7 - 13 = 38 - 2 X 7 = 6 ÷( 4 - 3 )= 42 ÷ 7 - 6 = 3 4 1 6 6 7 6 42 6 X( 21 - 17 )= 70 - 2 X 4 = 7 X( 43 - 42 )= 8 X( 39 - 32 )= 5 11 6 9 54 2 1 2 5 X 1 + 58 = 46 - 6 X 7 = 8 ÷( 12 - 8 )= 4 ÷ 1 - 2 = 8 12 4 2 8 1 4 4 7 X 8 - 18 = 3 X( 26 - 22 )= 10 ÷( 5 - 3 )= 24 ÷ 8 + 7 = 3 5 2 5 10 8 3 24 3 X 2 + 21 = 21 - 5 X 3 = 8 ÷( 9 - 7 )= 7 X( 62 - 58 )= 7 9 2 4 8 3 6 18 5 X 3 + 65 = 11 + 7 X 9 = 7 X( 38 - 29 )= 56 ÷ 8 - 3 = 2 8 6 4 24 8 7 56 6 X( 34 - 29 )= 20 - 1 X 5 = 15 ÷( 9 - 4 )= 35 ÷ 7 + 8 = 4 9 5 3 15 7 5 35 6 X 3 + 27 = 30 - 2 X 4 = 6 ÷( 13 - 10 )= 12 ÷ 6 + 3 = 10 13 3 2 6 6 2 12 7 X 3 - 1 = 66 + 7 X 10 = 35 ÷( 11 - 4 )= 56 ÷ 7 - 8 = 4 11 7 5 35 7 8 56 9 X( 29 - 23 )= 30 - 8 X 3 = 9 X( 43 - 36 )= 3 X( 48 - 42 )= 6 10 4 3 12 9 1 9 4 X 8 + 41 = 10 - 2 X 3 = 3 ÷( 8 - 5 )= 20 ÷ 5 - 4 = 5 8 3 1 3 5 4 20 6 X 7 + 44 = 3 X( 54 - 52 )= 5 ÷( 6 - 5 )= 36 ÷ 6 - 2 = 5 6 1 5 5 6 6 36 1 X 2 + 66 = 58 - 3 X 5 = 35 ÷( 13 - 8 )= 8 X( 33 - 24 )= 8 13 5 7 35 3 4 12 8 X 6 + 61 = 62 - 3 X 6 = 8 X( 32 - 23 )= 48 ÷ 8 - 6 = 7 14 7 2 14 8 6 48 2 X( 47 - 45 )= 27 + 6 X 6 = 56 ÷( 13 - 6 )= 18 ÷ 6 + 6 = 6 13 7 8 56 6 3 18 5 X 3 + 61 = 51 - 8 X 3 = 42 ÷( 11 - 5 )= 14 ÷ 7 + 9 = 5 11 6 7 42 7 2 14 4 X 2 + 52 = 20 - 3 X 6 = 6 ÷( 6 - 5 )= 9 ÷ 3 + 7 = 5 6 1 6 6 3 3 9 4 X( 37 - 31 )= 39 - 1 X 10 = 3 X( 42 - 34 )= 5 X( 36 - 35 )= 6 10 4 9 36 6 5 30 6 X 9 - 34 = 55 - 5 X 7 = 12 ÷( 12 - 6 )= 18 ÷ 9 + 7 = 6 12 6 2 12 9 2 18 2 X 6 + 46 = 6 X( 59 - 54 )= 20 ÷( 9 - 4 )= 12 ÷ 4 + 9 = 4 9 5 4 20 4 3 12 8 X 2 + 31 = 7 + 3 X 4 = 32 ÷( 18 - 10 )= 9 X( 25 - 19 )= 10 18 8 4 32 4 5 20 4 X 8 - 1 = 7 + 4 X 5 = 9 X( 52 - 47 )= 3 ÷ 3 + 7 = 2 5 3 8 24 3 1 3 7 X( 34 - 29 )= 56 + 8 X 9 = 24 ÷( 7 - 3 )= 49 ÷ 7 + 9 = 3 7 4 6 24 7 7 49 2 X 6 + 59 = 61 - 6 X 8 = 12 ÷( 11 - 8 )= 5 ÷ 5 + 5 = 8 11 3 4 12 5 1 5 6 X 3 + 41 = 60 - 5 X 8 = 8 ÷( 13 - 9 )= 8 ÷ 2 - 3 = 9 13 4 2 8 2 4 8 8 X( 33 - 27 )= 60 - 8 X 3 = 7 X( 29 - 20 )= 9 X( 20 - 17 )= 7 14 7 3 21 1 7 7 7 X 8 - 7 = 10 - 2 X 4 = 21 ÷( 9 - 6 )= 40 ÷ 8 + 7 = 6 9 3 7 21 8 5 40 7 X 7 + 69 = 8 X( 41 - 39 )= 24 ÷( 13 - 7 )= 6 ÷ 6 + 3 = 7 13 6 4 24 6 1 6 4 X 9 - 22 = 29 + 7 X 8 = 36 ÷( 13 - 4 )= 3 X( 66 - 59 )= 4 13 9 4 36 6 5 30 2 X 7 + 60 = 59 - 1 X 4 = 7 X( 58 - 54 )= 25 ÷ 5 + 9 = 5 13 8 3 24 5 5 25 4 X( 29 - 26 )= 8 + 7 X 9 = 56 ÷( 16 - 8 )= 64 ÷ 8 - 3 = 8 16 8 7 56 8 8 64 8 X 9 - 70 = 69 - 3 X 7 = 28 ÷( 13 - 9 )= 20 ÷ 4 + 7 = 9 13 4 7 28 4 5 20 5 X 3 + 36 = 39 - 3 X 3 = 24 ÷( 13 - 9 )= 18 ÷ 2 - 5 = 9 13 4 6 24 2 9 18 6 X( 45 - 40 )= 58 - 7 X 3 = 6 X( 43 - 41 )= 5 X( 46 - 42 )= 4 9 5 8 40 7 8 56 4 X 8 - 9 = 70 - 1 X 9 = 64 ÷( 14 - 6 )= 32 ÷ 8 - 4 = 6 14 8 8 64 8 4 32 9 X 3 - 19 = 6 X( 39 - 32 )= 35 ÷( 9 - 2 )= 8 ÷ 1 - 2 = 2 9 7 5 35 1 8 8 7 X 5 + 39 = 39 + 5 X 8 = 9 ÷( 6 - 3 )= 4 X( 32 - 28 )= 3 6 3 3 9 4 3 12 5 X 1 + 39 = 8 + 8 X 6 = 3 X( 53 - 44 )= 24 ÷ 8 + 8 = 3 8 5 4 20 8 3 24 4 X( 33 - 31 )= 22 - 1 X 5 = 30 ÷( 13 - 8 )= 6 ÷ 3 + 8 = 8 13 5 6 30 3 2 6 1 X 9 + 29 = 20 - 4 X 4 = 8 ÷( 9 - 5 )= 36 ÷ 6 + 8 = 5 9 4 2 8 6 6 36 3 X 7 + 58 = 68 - 1 X 10 = 40 ÷( 15 - 7 )= 30 ÷ 6 + 9 = 7 15 8 5 40 6 5 30 8 X( 52 - 46 )= 19 + 7 X 9 = 3 X( 28 - 26 )= 8 X( 20 - 19 )= 3 10 7 6 42 2 8 16 5 X 3 + 59 = 1 + 8 X 7 = 14 ÷( 5 - 3 )= 48 ÷ 8 - 5 = 3 5 2 7 14 8 6 48 8 X 3 - 1 = 6 X( 49 - 48 )= 56 ÷( 17 - 9 )= 42 ÷ 6 - 4 = 9 17 8 7 56 6 7 42 3 X 4 - 1 = 70 - 1 X 9 = 20 ÷( 12 - 8 )= 4 X( 22 - 15 )= 8 12 4 5 20 3 7 21 5 X 4 + 50 = 26 - 3 X 3 = 4 X( 44 - 42 )= 28 ÷ 4 + 10 = 6 13 7 5 35 4 7 28 6 X( 22 - 16 )= 14 + 9 X 6 = 3 ÷( 5 - 4 )= 40 ÷ 8 + 9 = 4 5 1 3 3 8 5 40 6 X 6 + 65 = 17 + 5 X 5 = 16 ÷( 7 - 3 )= 49 ÷ 7 - 4 = 3 7 4 4 16 7 7 49 8 X 7 - 2 = 58 - 8 X 4 = 30 ÷( 9 - 3 )= 18 ÷ 9 + 9 = 3 9 6 5 30 9 2 18 6 X( 34 - 28 )= 30 - 2 X 7 = 3 X( 50 - 42 )= 2 X( 41 - 38 )= 3 6 3 3 9 1 7 7 9 X 8 - 53 = 38 - 6 X 5 = 6 ÷( 12 - 9 )= 15 ÷ 3 + 7 = 9 12 3 2 6 3 5 15 6 X 7 + 50 = 4 X( 35 - 26 )= 15 ÷( 10 - 5 )= 24 ÷ 6 - 3 = 5 10 5 3 15 6 4 24 8 X 3 - 3 = 24 + 3 X 8 = 40 ÷( 11 - 3 )= 7 X( 28 - 23 )= 3 11 8 5 40 8 2 16 3 X 3 + 29 = 20 + 8 X 8 = 4 X( 52 - 45 )= 12 ÷ 2 - 4 = 4 5 1 8 8 2 6 12 8 X( 55 - 47 )= 11 + 4 X 7 = 24 ÷( 8 - 5 )= 15 ÷ 3 + 8 = 5 8 3 8 24 3 5 15 6 X 5 - 24 = 43 - 7 X 6 = 8 ÷( 12 - 10 )= 8 ÷ 2 - 3 = 10 12 2 4 8 2 4 8 3 X 3 + 48 = 25 + 8 X 8 = 18 ÷( 10 - 7 )= 7 ÷ 1 - 3 = 7 10 3 6 18 1 7 7 8 X( 39 - 30 )= 40 - 7 X 5 = 7 X( 64 - 58 )= 5 X( 58 - 51 )= 9 15 6 7 42 9 5 45 4 X 9 + 52 = 16 + 4 X 6 = 56 ÷( 9 - 2 )= 16 ÷ 4 + 6 = 2 9 7 8 56 4 4 16 4 X 9 + 56 = 9 X( 58 - 50 )= 54 ÷( 15 - 9 )= 15 ÷ 5 - 3 = 9 15 6 9 54 5 3 15 7 X 1 - 7 = 50 - 2 X 10 = 48 ÷( 10 - 2 )= 5 X( 55 - 50 )= 2 10 8 6 48 2 8 16 8 X 2 + 18 = 31 + 6 X 7 = 3 X( 59 - 52 )= 42 ÷ 6 - 4 = 4 13 9 8 72 6 7 42 5 X( 45 - 38 )= 32 + 5 X 8 = 24 ÷( 11 - 5 )= 42 ÷ 6 + 8 = 5 11 6 4 24 6 7 42 9 X 1 + 39 = 55 - 7 X 7 = 56 ÷( 16 - 8 )= 63 ÷ 7 - 4 = 8 16 8 7 56 7 9 63 4 X 9 - 27 = 44 + 9 X 9 = 7 ÷( 11 - 10 )= 24 ÷ 4 + 9 = 10 11 1 7 7 4 6 24 5 X( 67 - 59 )= 20 - 3 X 4 = 4 X( 48 - 42 )= 4 X( 65 - 57 )= 3 7 4 3 12 2 7 14 4 X 7 - 25 = 10 + 5 X 7 = 30 ÷( 11 - 6 )= 32 ÷ 8 + 9 = 6 11 5 6 30 8 4 32 8 X 8 - 13 = 4 X( 40 - 36 )= 32 ÷( 12 - 8 )= 64 ÷ 8 + 9 = 8 12 4 8 32 8 8 64 9 X 4 + 58 = 41 - 4 X 9 = 16 ÷( 12 - 8 )= 8 X( 56 - 49 )= 8 12 4 4 16 3 5 15 6 X 9 - 6 = 43 - 5 X 4 = 7 X( 20 - 16 )= 30 ÷ 5 - 6 = 8 13 5 2 10 5 6 30 4 X( 23 - 18 )= 60 - 2 X 2 = 28 ÷( 15 - 8 )= 12 ÷ 2 + 10 = 8 15 7 4 28 2 6 12 1 X 1 + 5 = 57 - 6 X 7 = 30 ÷( 9 - 3 )= 18 ÷ 3 - 5 = 3 9 6 5 30 3 6 18 7 X 5 - 29 = 44 - 6 X 6 = 32 ÷( 16 - 8 )= 56 ÷ 7 - 4 = 8 16 8 4 32 7 8 56 8 X( 28 - 25 )= 67 - 4 X 7 = 4 X( 33 - 27 )= 4 X( 35 - 32 )= 9 11 2 8 16 3 7 21 2 X 4 + 36 = 31 - 2 X 7 = 32 ÷( 13 - 5 )= 21 ÷ 7 + 6 = 5 13 8 4 32 7 3 21 2 X 6 + 24 = 8 X( 33 - 26 )= 4 ÷( 13 - 9 )= 56 ÷ 8 - 7 = 9 13 4 1 4 8 7 56 1 X 7 + 58 = 17 + 6 X 6 = 24 ÷( 9 - 5 )= 3 X( 32 - 29 )= 5 9 4 6 24 1 3 3 5 X 6 + 63 = 7 + 8 X 8 = 5 X( 27 - 19 )= 32 ÷ 4 - 3 = 5 13 8 5 40 4 8 32 5 X( 30 - 28 )= 44 - 3 X 9 = 24 ÷( 9 - 3 )= 24 ÷ 3 - 5 = 3 9 6 4 24 3 8 24 6 X 7 - 42 = 28 + 5 X 6 = 54 ÷( 12 - 6 )= 21 ÷ 3 - 7 = 6 12 6 9 54 3 7 21 3 X 2 - 2 = 60 - 1 X 8 = 4 ÷( 6 - 5 )= 27 ÷ 9 + 9 = 5 6 1 4 4 9 3 27 5 X( 63 - 60 )= 23 + 8 X 4 = 7 X( 49 - 43 )= 7 X( 56 - 52 )= 8 16 8 4 32 5 4 20 5 X 8 + 55 = 22 + 8 X 6 = 54 ÷( 9 - 3 )= 10 ÷ 2 + 7 = 3 9 6 9 54 2 5 10 8 X 7 - 4 = 8 X( 26 - 22 )= 8 ÷( 10 - 8 )= 12 ÷ 6 + 4 = 8 10 2 4 8 6 2 12 5 X 3 + 29 = 36 + 4 X 10 = 40 ÷( 9 - 4 )= 7 X( 45 - 44 )= 4 9 5 8 40 8 4 32 6 X 3 - 14 = 54 - 2 X 2 = 9 X( 27 - 19 )= 16 ÷ 2 + 9 = 10 15 5 3 15 2 8 16 6 X( 45 - 42 )= 47 - 7 X 6 = 3 ÷( 12 - 9 )= 15 ÷ 5 + 4 = 9 12 3 1 3 5 3 15 6 X 6 - 15 = 51 - 6 X 3 = 6 ÷( 9 - 8 )= 64 ÷ 8 - 7 = 8 9 1 6 6 8 8 64 1 X 8 + 31 = 24 - 3 X 2 = 28 ÷( 10 - 3 )= 3 ÷ 1 + 5 = 3 10 7 4 28 1 3 3 2 X( 35 - 26 )= 42 - 6 X 5 = 6 X( 64 - 58 )= 3 X( 42 - 35 )= 4 12 8 5 40 6 6 36 3 X 3 + 48 = 12 - 1 X 7 = 28 ÷( 6 - 2 )= 8 ÷ 1 - 7 = 2 6 4 7 28 1 8 8 7 X 2 - 10 = 8 X( 50 - 42 )= 32 ÷( 10 - 2 )= 16 ÷ 4 + 7 = 2 10 8 4 32 4 4 16 9 X 3 - 11 = 43 + 6 X 8 = 18 ÷( 18 - 9 )= 3 X( 33 - 29 )= 9 18 9 2 18 7 6 42 3 X 8 + 68 = 63 - 3 X 7 = 7 X( 42 - 36 )= 18 ÷ 6 + 5 = 7 8 1 2 2 6 3 18 8 X( 45 - 37 )= 22 - 2 X 6 = 36 ÷( 9 - 5 )= 16 ÷ 2 - 8 = 5 9 4 9 36 2 8 16 6 X 4 - 18 = 19 + 7 X 7 = 64 ÷( 16 - 8 )= 24 ÷ 8 + 6 = 8 16 8 8 64 8 3 24 8 X 7 - 16 = 39 - 7 X 2 = 20 ÷( 9 - 5 )= 8 ÷ 1 - 6 = 5 9 4 5 20 1 8 8 9 X( 49 - 44 )= 2 + 5 X 4 = 5 X( 20 - 16 )= 7 X( 23 - 15 )= 2 10 8 6 48 7 5 35 2 X 3 - 6 = 20 - 5 X 3 = 2 ÷( 10 - 9 )= 48 ÷ 6 - 3 = 9 10 1 2 2 6 8 48 6 X 4 - 15 = 3 X( 32 - 27 )= 32 ÷( 7 - 3 )= 10 ÷ 2 + 7 = 3 7 4 8 32 2 5 10 1 X 5 + 31 = 50 - 3 X 5 = 54 ÷( 13 - 7 )= 4 X( 28 - 22 )= 7 13 6 9 54 9 8 72 7 X 8 - 8 = 3 + 3 X 10 = 6 X( 66 - 57 )= 3 ÷ 1 - 3 = 6 10 4 9 36 1 3 3 8 X( 33 - 29 )= 14 + 3 X 10 = 24 ÷( 7 - 4 )= 12 ÷ 6 + 3 = 4 7 3 8 24 6 2 12 8 X 5 + 54 = 26 + 4 X 8 = 5 ÷( 11 - 6 )= 6 ÷ 1 - 6 = 6 11 5 1 5 1 6 6 3 X 5 + 46 = 69 - 6 X 4 = 48 ÷( 15 - 7 )= 30 ÷ 6 + 7 = 7 15 8 6 48 6 5 30 9 X( 23 - 17 )= 61 - 5 X 9 = 5 X( 24 - 21 )= 9 X( 17 - 16 )= 8 16 8 1 8 6 7 42 6 X 9 - 20 = 31 - 3 X 6 = 36 ÷( 17 - 8 )= 32 ÷ 8 - 4 = 8 17 9 4 36 8 4 32 7 X 8 - 14 = 4 X( 41 - 36 )= 14 ÷( 12 - 10 )= 27 ÷ 9 + 4 = 10 12 2 7 14 9 3 27 8 X 9 - 10 = 17 + 9 X 3 = 45 ÷( 10 - 5 )= 4 X( 43 - 42 )= 5 10 5 9 45 2 8 16 2 X 6 + 26 = 16 + 3 X 7 = 6 X( 32 - 25 )= 18 ÷ 3 + 8 = 9 11 2 2 4 3 6 18 7 X( 61 - 53 )= 70 + 8 X 10 = 5 ÷( 9 - 8 )= 28 ÷ 4 - 2 = 8 9 1 5 5 4 7 28 5 X 6 + 34 = 11 + 3 X 9 = 30 ÷( 10 - 4 )= 6 ÷ 3 + 7 = 4 10 6 5 30 3 2 6 4 X 1 + 14 = 22 + 3 X 8 = 10 ÷( 11 - 6 )= 18 ÷ 6 + 5 = 6 11 5 2 10 6 3 18 3 X( 53 - 49 )= 23 - 3 X 5 = 2 X( 32 - 26 )= 6 X( 22 - 18 )= 4 9 5 3 15 2 6 12 5 X 5 + 26 = 11 + 6 X 2 = 12 ÷( 12 - 6 )= 24 ÷ 3 + 10 = 6 12 6 2 12 3 8 24 2 X 1 + 48 = 9 X( 65 - 57 )= 18 ÷( 11 - 8 )= 30 ÷ 6 - 5 = 8 11 3 6 18 6 5 30 8 X 8 - 30 = 15 + 6 X 9 = 35 ÷( 9 - 4 )= 3 X( 58 - 49 )= 4 9 5 7 35 2 2 4 6 X 7 - 20 = 20 - 2 X 5 = 9 X( 58 - 52 )= 35 ÷ 7 - 5 = 8 16 8 3 24 7 5 35 5 X( 32 - 25 )= 69 - 6 X 3 = 24 ÷( 16 - 10 )= 21 ÷ 7 + 8 = 10 16 6 4 24 7 3 21 2 X 6 + 42 = 46 + 6 X 8 = 12 ÷( 7 - 5 )= 45 ÷ 9 - 3 = 5 7 2 6 12 9 5 45 7 X 7 - 19 = 17 - 3 X 5 = 15 ÷( 15 - 10 )= 16 ÷ 4 + 8 = 10 15 5 3 15 4 4 16 6 X( 55 - 53 )= 33 - 4 X 2 = 4 X( 46 - 40 )= 4 X( 30 - 28 )= 7 16 9 7 63 8 1 8 6 X 7 - 9 = 44 - 3 X 4 = 24 ÷( 8 - 4 )= 6 ÷ 3 + 4 = 4 8 4 6 24 3 2 6 5 X 6 + 50 = 3 X( 67 - 58 )= 12 ÷( 10 - 8 )= 10 ÷ 2 + 7 = 8 10 2 6 12 2 5 10 8 X 9 - 14 = 51 - 6 X 6 = 48 ÷( 14 - 8 )= 8 X( 41 - 33 )= 8 14 6 8 48 7 7 49 5 X 3 - 10 = 33 - 3 X 4 = 2 X( 61 - 59 )= 21 ÷ 3 - 3 = 9 15 6 6 36 3 7 21 2 X( 52 - 51 )= 56 - 1 X 4 = 24 ÷( 13 - 9 )= 49 ÷ 7 - 2 = 9 13 4 6 24 7 7 49 3 X 2 + 39 = 31 + 8 X 7 = 30 ÷( 8 - 3 )= 48 ÷ 6 - 4 = 3 8 5 6 30 6 8 48 8 X 1 + 69 = 26 - 2 X 9 = 24 ÷( 11 - 8 )= 36 ÷ 9 - 3 = 8 11 3 8 24 9 4 36 7 X( 31 - 22 )= 11 + 2 X 6 = 8 X( 33 - 29 )= 9 X( 25 - 19 )= 7 13 6 5 30 2 5 10 6 X 3 + 25 = 68 - 7 X 8 = 8 ÷( 4 - 3 )= 56 ÷ 8 + 8 = 3 4 1 8 8 8 7 56 7 X 4 + 61 = 3 X( 67 - 58 )= 64 ÷( 16 - 8 )= 48 ÷ 8 + 10 = 8 16 8 8 64 8 6 48 6 X 9 - 48 = 22 - 3 X 7 = 6 ÷( 14 - 8 )= 5 X( 17 - 15 )= 8 14 6 1 6 4 5 20 2 X 1 + 63 = 36 - 1 X 9 = 4 X( 27 - 26 )= 6 ÷ 2 + 7 = 4 12 8 7 56 2 3 6 4 X( 27 - 25 )= 30 - 6 X 2 = 18 ÷( 9 - 6 )= 56 ÷ 8 - 3 = 6 9 3 6 18 8 7 56 3 X 6 + 31 = 2 + 7 X 9 = 32 ÷( 12 - 4 )= 24 ÷ 8 + 7 = 4 12 8 4 32 8 3 24 5 X 2 - 9 = 29 - 2 X 5 = 8 ÷( 11 - 7 )= 4 ÷ 2 + 8 = 7 11 4 2 8 2 2 4 9 X( 49 - 45 )= 2 + 7 X 9 = 6 X( 24 - 17 )= 7 X( 59 - 53 )= 7 9 2 6 12 1 2 2 9 X 2 + 49 = 38 - 4 X 5 = 30 ÷( 11 - 6 )= 30 ÷ 5 - 6 = 6 11 5 6 30 5 6 30 6 X 6 - 18 = 5 X( 32 - 23 )= 16 ÷( 15 - 7 )= 42 ÷ 6 - 6 = 7 15 8 2 16 6 7 42 8 X 8 - 51 = 26 - 2 X 5 = 35 ÷( 11 - 4 )= 6 X( 54 - 50 )= 4 11 7 5 35 5 5 25 4 X 4 + 47 = 2 + 3 X 8 = 6 X( 67 - 59 )= 8 ÷ 8 + 8 = 6 13 7 5 35 8 1 8 8 X( 26 - 18 )= 32 + 4 X 10 = 8 ÷( 12 - 8 )= 40 ÷ 8 + 9 = 8 12 4 2 8 8 5 40 4 X 3 + 56 = 33 - 4 X 6 = 24 ÷( 11 - 8 )= 21 ÷ 7 + 10 = 8 11 3 8 24 7 3 21 3 X 1 + 45 = 46 - 5 X 8 = 18 ÷( 12 - 3 )= 20 ÷ 5 - 3 = 3 12 9 2 18 5 4 20 8 X( 55 - 48 )= 1 + 8 X 4 = 8 X( 46 - 37 )= 8 X( 32 - 29 )= 4 7 3 5 15 2 1 2 2 X 9 + 23 = 27 - 3 X 4 = 36 ÷( 13 - 4 )= 24 ÷ 4 + 9 = 4 13 9 4 36 4 6 24 7 X 9 - 28 = 5 X( 45 - 39 )= 7 ÷( 10 - 9 )= 32 ÷ 4 - 7 = 9 10 1 7 7 4 8 32 3 X 4 + 14 = 12 + 4 X 10 = 6 ÷( 5 - 2 )= 7 X( 43 - 35 )= 2 5 3 2 6 8 7 56 9 X 3 - 24 = 42 + 7 X 8 = 3 X( 42 - 38 )= 56 ÷ 8 - 5 = 3 10 7 6 42 8 7 56 6 X( 28 - 25 )= 16 + 7 X 7 = 2 ÷( 9 - 8 )= 3 ÷ 3 + 2 = 8 9 1 2 2 3 1 3 7 X 3 + 69 = 13 + 4 X 7 = 36 ÷( 7 - 3 )= 27 ÷ 9 + 8 = 3 7 4 9 36 9 3 27 5 X 2 - 9 = 41 - 2 X 8 = 36 ÷( 12 - 8 )= 30 ÷ 6 - 3 = 8 12 4 9 36 6 5 30 6 X( 50 - 49 )= 2 + 6 X 7 = 6 X( 58 - 53 )= 4 X( 57 - 48 )= 5 6 1 3 3 9 7 63 2 X 2 + 30 = 4 + 1 X 8 = 48 ÷( 14 - 6 )= 35 ÷ 7 + 9 = 6 14 8 6 48 7 5 35 6 X 6 - 5 = 3 X( 65 - 59 )= 25 ÷( 13 - 8 )= 45 ÷ 5 - 5 = 8 13 5 5 25 5 9 45 4 X 2 + 17 = 32 + 5 X 8 = 14 ÷( 13 - 6 )= 5 X( 42 - 36 )= 6 13 7 2 14 3 4 12 6 X 9 - 19 = 51 - 5 X 9 = 3 X( 27 - 25 )= 8 ÷ 1 - 5 = 10 18 8 9 72 1 8 8 8 X( 60 - 54 )= 2 + 9 X 8 = 45 ÷( 18 - 9 )= 16 ÷ 8 + 9 = 9 18 9 5 45 8 2 16