题目内容
【题目】270÷9×18 600-400÷8 (237+631)÷4
(72-24)×35 140+60×58 360÷9-15
【答案】540;550;217
1680;3620;25
【解析】
270÷9×18
=30×18
=540
600-400÷8
=600-50
=550
(237+631)÷4
=868÷4
=217
(72-24)×35
=48×35
=1680
140+60×58
=140+3480
=3620
360÷9-15
=40-15
=25
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