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2.5×4= 4.8×30%= 432-199= 3.9×2.5×4=
3.4÷0.5= 4.5× = 3- - = (6+ )× =
①36÷[24-(60-39)]
②3.6÷18+21
③ ÷ ×
④3.78-0.83-0.17
⑤5× + ×5
⑥36×( + )
① - +
② + -
③6.12+ +2.88+
④1- +
⑤ - + -
⑥ +( - )
进入组卷