(2.1 6.9/0.15)/0.1(用递等式计算)
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解决时间 2021-02-16 13:52
- 提问者网友:孤山下
- 2021-02-16 06:34
(2.1 6.9/0.15)/0.1(用递等式计算)
最佳答案
- 二级知识专家网友:人间朝暮
- 2021-02-16 07:10
(2.1+6.9/0.15)÷0.1
=2.1÷0.1+690/15÷0.1
=21+46÷0.1
=21+460
=481
谢谢,请采纳
=2.1÷0.1+690/15÷0.1
=21+46÷0.1
=21+460
=481
谢谢,请采纳
全部回答
- 1楼网友:神也偏爱
- 2021-02-16 08:45
(2.1+6.9÷0.15)÷0.1
=2.1÷0.1+6.9÷0.15÷0.1
=21+(6.9÷0.1)÷(0.3÷2)
=21+69÷0.3×2
=21+230×2
=21+460
=481
=2.1÷0.1+6.9÷0.15÷0.1
=21+(6.9÷0.1)÷(0.3÷2)
=21+69÷0.3×2
=21+230×2
=21+460
=481
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