40+32÷8 (69-6)÷9 65-(24+22)
①56-(26+24)
②(80-56)÷3
③6+30÷6
④48÷8×9
⑤18+28-16
⑥4×(28÷7)
58+7×5 100-24 ÷3
(26+28)÷6 8×(27÷3)
①0.53×2.5+
②25×0.032×12.5
③ [()×]
④6.83+17.9﹣0.83+32.1
① []
②4.6+7.68﹣1+2.32
③1.25×2.5×0.4×8
④9.5×20%+