①9×(3+2)
②35+14÷7
③45-5÷5
④(16+32)÷8
35+5-13 81÷9×5 92-6×9
18+(36-6) (59-5)÷6 7×(31-23)
81-33+47 64-(36+8) (78-69)×4 18+36÷6