①56-(26+24)
②(80-56)÷3
③6+30÷6
④48÷8×9
⑤18+28-16
⑥4×(28÷7)
40+63÷9 80-(64-8) 9×7-26 6×4÷8
①
②
③
④
⑤
⑥
①216÷(18×6)
② × + ÷
③( - )× ×36
④125%×2.5×3.2
⑤4.67-(0.67+2.98)
⑥ ÷[2÷( - )]