简便运算:0.72×101-(2.72+5.75)
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发布时间:2022-05-01 19:49
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热心网友
时间:2022-06-22 05:33
0.72×101-(2.72+5.75)
=0.72x(100+1)-8.47
=0.72x100+0.72-8.47
=72+0.72-8.47
=72.72-8.47
=64.25
热心网友
时间:2022-06-22 05:33
0.72x101-(2.72+5.75)
=0.72x(100+1)-(2.72+5.75)
=0.72x100+0.72x1-8.47
=72+0.72-8.47
=72.72-8.47
=64.25
热心网友
时间:2022-06-22 05:34
简便运算0.72*101-(2.72+5.75)
=0.72*(100+1)-8.47
=72*100+0.72-8.47
=72+0.72-8.47
=72.72-8.47
=64.25
热心网友
时间:2022-06-22 05:34
72+0.72-2.72-5.75=72-2-5.75=64.25