题目内容
【题目】计算。
1.42－0.36÷6×0.6
=
=
=
49.5×0.2－2.07÷23
=
=
=
6.7＋3.3÷4.4＋5.6
=
=
=
1－0.09÷（0.12＋0.88）
=
=
=
8.5＋1.5×2＋1÷0.4
=
=
=
[10－（0.2＋6.37÷0.7）]×0.05
=
=
=
【答案】1.384；9.81；13.05；0.91；14；0.035
【解析】
1.42－0.36÷6×0.6
=1.42-0.06×0.6
=1.42-0.036
=1.384
49.5×0.2－2.07÷23
=9.9-0.09
=9.81
6.7＋3.3÷4.4＋5.6
=6.7+0.75+5.6
=7.45+5.6
=13.05
1－0.09÷（0.12＋0.88）
=1-0.09÷1
=1-0.09
=0.91
8.5＋1.5×2＋1÷0.4
=8.5+3+2.5
=11.5+2.5
=14
[10－（0.2＋6.37÷0.7）]×0.05
=[10－（0.2＋9.1）]×0.05
=[10－9.3]×0.05
=0.7×0.05
=0.035
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