2.009x43+20.9+200·9x0·28=?
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发布时间:2024-10-23 22:13
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热心网友
时间:2024-10-24 15:02
2.009x43+20.09×2.9+200.9x0.28
=2.009x43+2.009×29+2.009x28
=2.009×(43+29+28)
=2.009×100
=200.9
热心网友
时间:2024-10-24 14:58
二2.009x2.009x29十2.009X28
=2.009x(42十29十28)
二2.009X100
二200.9
不喜勿喷!对的题
有什么题就问我吧!!!😜
热心网友
时间:2024-10-24 15:03
2.009x43+20.9+200·9x0·28
=2.009×43+2.09×10+2.009×28
=2.009×(43+28)+(2.009+0.081)×10
=2.009×71+2.009×10+0.81
=2.009×(71+10)+0.81
=2.009×81+81×0.001
=81×(2.009+0.001)
=81×2.01
=162.81
热心网友
时间:2024-10-24 15:03
2.009x43+20.09×2.9+200.9x0.28
=2.009x43+2.009×29+2.009x28
=2.009×(43+29+28)
=2.009×100
=200.9