19–(3+6)= 19 – 3 + 6 = 9×7–40=
(70–30)÷8= 15+27÷9= 80–20+30=
72÷8+13= 90–5×8= 60+50–20=
5×(61-57) 45+54÷9 (70-34)÷4
56+7×4 4+5×9 99-(23+32)
8×9+23 48÷6-3 (44-28) ÷4
12÷3+7= (76-36) ÷8= 45+21÷3= 18÷9-2=
35-21+24= 25- 5×3= 18÷(9- 3)= 4-1×3 =
21-7= 37+63= 6×8=
5÷5= 8-8÷1= 100-55=
8×9= 15+3×5= 63÷7= 5×6+5=
56-48= 35+15= 20÷4+4= 4-4÷4=
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