题目内容
【题目】计算下面各题,能简算的要简算。
①19.5-11.68-2.32
②528×101-528
③0.25×4.78×4
④700÷25÷4
⑤12×[(96+84)÷5]
⑥0.78×99=(列竖式计算)
【答案】5.5;52800;4.78;
7;432;77.22
【解析】
①19.5-11.68-2.32
=19.5-(11.68+2.32)
=19.5-14
=5.5;
②528×101-528
=528×(101-1)
=528×100
=52800
③0.25×4.78×4
=0.25×4×4.78
=1×4.78
=4.78
④700÷25÷4
=700÷(25×4)
=700÷100
=7
⑤12×[(96+84)÷5]
=12×[180÷5]
=12×36
=432
⑥0.78×99=77.22
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