Question

要用简便方法计算，要有算式

Answer 1

 

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这题

Answer 2

4.92-0.38+3.08-0.62
=9.54+3.08-0.62
=12.62-0.62
=12

追答

4.92-0.38+3.08-0.62
=（4.92+3.08）-（0.38+0.62)
=8-1
=7

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追答

5: 32.5X8.23-32.5+2.77X32.5
=32.5X（8.23+2.77-1）
=32.5X10
=325

6: 40.02-13.5+0.98
=（40.02+10.98）-13.5
=51-13.5
=37.5

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追答

3: 8.5+7.6-8.5+2.4
=（7.6-2.4）+8.5
=5.2+8.5
=13.7

我的回答满意不？

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感谢

话说第第四小题咋写

追答

（2.524+1.389）-（0.524+1.389)
=（2.524-0.524）+（1.389-1.389）
=2+0
=2

满意不满意？

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谢谢

追答

满意请釆纳

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已感谢

Answer 3

=4.92-(0.38+0.62)+3.08
=3.92+3.08
=7

Answer 4

4.92+3.08-（0.38+0.62）=7

追答

会了吗，不懂的，问我

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Answer 5

4.92-0.62+3.08-0.38