用简便方法计算3.6+8.59+6.4 &nbs...
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解决时间 2021-05-06 03:47
- 提问者网友:感性作祟
- 2021-05-05 03:46
用简便方法计算3.6+8.59+6.4 &nbs...
最佳答案
- 五星知识达人网友:你哪知我潦倒为你
- 2021-05-05 05:14
(1)3.6+8.59+6.4
=(3.6+6.4)+8.59
=10+8.59
=18.59;
(2)312×4+188×4
=(312+188)×4
=500×4
=2000;
(3)25×33×4
=(25×4)×33
=100×33
=3300;
(4)101×87
=(100+1)×87
=100×87+1×87
=8700+87
=8787.
=(3.6+6.4)+8.59
=10+8.59
=18.59;
(2)312×4+188×4
=(312+188)×4
=500×4
=2000;
(3)25×33×4
=(25×4)×33
=100×33
=3300;
(4)101×87
=(100+1)×87
=100×87+1×87
=8700+87
=8787.
全部回答
- 1楼网友:詩光轨車
- 2021-05-05 05:53
3.6+8.59+6.4
=3.6+6.4+8.59
=10+8.59
=18.59
=3.6+6.4+8.59
=10+8.59
=18.59
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