题目内容

脱式计算
735÷15×628×300÷(52-32)18×(537-488)
120-36×4÷18+354200÷15÷2(136+64)×(65-36)
(1)735÷15×6,
=49×6,
=294;

(2)28×300÷(52-32),
=28×300÷20,
=8400÷20,
=420;

(3)18×(537-488),
=18×49,
=882;

(4)120-36×4÷18+35,
=120-144÷18+35,
=120-8+35,
=112+35,
=147;

(5)4200÷15÷2,
=280÷2,
=140;

(6)(136+64)×(65-36),
=200×29,
=5800.
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