5.8*5.8+0.58*42+58怎样简算,0.125*9.62*80-96.2怎样简算

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5.8*5.8+0.58*42+58怎样简算,0.125*9.62*80-96.2怎样简算
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5.8*5.8+0.58*42+58怎样简算,0.125*9.62*80-96.2怎样简算
5.8*5.8+0.58*42+58怎样简算,0.125*9.62*80-96.2怎样简算

5.8*5.8+0.58*42+58怎样简算,0.125*9.62*80-96.2怎样简算
5.8*5.8+0.58*42+58
=5.8*5.8+5.8*4.2+5.8*10
=5.8*(5.8+4.2+10)
=5.8*20
=116
0.125*9.62*80-96.2
=10*9.62-96.2
=96.2-96.2
=0

通过移动小数点,找到同类项,进行合并。
5.8*5.8+0.58*42+58
=5.8*5.8+5.8*4.2+5.8*10
=5.8*(5.8+4.2+10)
=5.8*20
=116
0.125*9.62*80-96.2
=10*9.62-96.2
=96.2-96.2
=0

5.8*5.8+0.58*42+58
=5.8*5.8+5.8*4.2+5.8*10
=5.8*(5.8+4.2+10)
=5.8*20
=116
0.125*9.62*80-96.2(同理)
=10*9.62-96.2
=96.2-96.2
=0