72 520十280x52用簡便方法怎麼計算

時間 2021-08-14 15:13:12

1樓:義明智

簡便計算

72ⅹ520 十280x52

=72x520+28x520

=(72+28)x520

=100x520

=52000

2樓:火星

方法1:

72x520+280x52

=720x52+280x52

=(720+280)x52

=1000x52

=52000

方法2:

72x520+280x52

=72x520+28x520

=(72+28)x520

=100x520

=52000

3樓:寬寬的河

72ⅹ520 十280x52

=72ⅹ520 十28x520

=(72+28)ⅹ520

=100ⅹ520

=52000

4樓:小

把280的10借給52

72×520+280×52

=72×520+28×10×52

=72×520+28×520

=(72+28)×520

=100×520

=52000

5樓:來自虎形山歡欣鼓舞的玉蝶梅

72x520+280x52

=72x520+28x520

=(72+28)x520

=100x520

=52000

6樓:

72x520+280x52 =720x52+280x52= (720+280)x52=1000x52=52000

72ⅹ520十 280x52用簡便方法怎麼計算?

7樓:蝸牛

72×520+280×52

=72×520+28×520

=520×(72+28)

=520×100

=52000

8樓:

原式=720×52+280×52

=52×(720+280)

=52×1000

=52000

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