72-26+35 42÷6×8 (82-18)÷8
5×9= 81÷9= 56÷7= 40÷8=
73-8= 64÷8= 36÷4= 7×7=
8×3= 42÷6= 7×6= 72÷8=
45÷5×7= 9×8+10= 28÷(11-4)= 54÷9×9=
①6×7-42
②45+36÷9
③72÷9×3
④32÷(65-57)
42÷7×8 36+20÷5 (35-27)×8 (49+23)÷9