能简要简13.5×7.6+3.8 102×8.5...
答案:1 悬赏:0
解决时间 2021-01-17 05:09
- 提问者网友：姑娘长的好罪过
- 2021-01-16 17:16
能简要简13.5×7.6+3.8 102×8.5...
最佳答案
- 二级知识专家网友：低音帝王
- 2021-01-16 18:55
①13.5×7.6+3.8
=102.6+3.8
=106.4
②102×8.5
=（100+2）×8.5
=100×8.5+2×8.5
=850+17
=867
③15.7×0.46-5.7×0.46
=0.46×（15.7-5.7）
=0.46×10
=4.6
④62.1÷4.6-0.6
=13.5-0.6
=12.9
⑤0.25×7.3×0.4
=0.25×0.4×7.3
=0.1×7.3
=0.73
⑥7.35÷0.125÷8
=7.36÷（0.125×8）
=7.36÷1
=7.36
=102.6+3.8
=106.4
②102×8.5
=（100+2）×8.5
=100×8.5+2×8.5
=850+17
=867
③15.7×0.46-5.7×0.46
=0.46×（15.7-5.7）
=0.46×10
=4.6
④62.1÷4.6-0.6
=13.5-0.6
=12.9
⑤0.25×7.3×0.4
=0.25×0.4×7.3
=0.1×7.3
=0.73
⑥7.35÷0.125÷8
=7.36÷（0.125×8）
=7.36÷1
=7.36
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