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1-0.6×0.8=12.5-7.5+2.5=0.8÷0.8-0.8=5.5÷14×2.5=77÷1000+0.23=(

来源:学生作业帮 编辑:作业帮 分类:综合作业 时间:2024/11/09 10:15:12
1-0.6×0.8=
12.5-7.5+2.5=
0.8÷0.8-0.8=
5.5÷14×2.5=
77÷1000+0.23=
(2.04-0.14)÷0.19=
(1)1-0.6×0.8,
=1-0.48,
=0.52;

(2)12.5-7.5+2.5,
=5+2.5,
=7.5;

(3)0.8÷0.8-0.8,
=1-0.8,
=0.2;

(4)5.5÷14×2.5,
=
11
28×
5
2,
=
55
56;

(5)77÷1000+0.23,
=0.077+0.23,
=0.307;

(6)(2.04-0.14)÷0.19,
=1.9÷0.19,
=10;