①56-(26+24)
②(80-56)÷3
③6+30÷6
④48÷8×9
⑤18+28-16
⑥4×(28÷7)
①16÷4×4
②36+25﹣50
③48÷(32﹣26)
④7×5+3
⑤60﹣17﹣33
⑥(82﹣19)÷9