0.62*1.8+3.2*0.18+6*0.018 这个题怎样简便运算呢

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0.62*1.8+3.2*0.18+6*0.018 这个题怎样简便运算呢
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0.62*1.8+3.2*0.18+6*0.018 这个题怎样简便运算呢
0.62*1.8+3.2*0.18+6*0.018 这个题怎样简便运算呢

0.62*1.8+3.2*0.18+6*0.018 这个题怎样简便运算呢
62*0.018+32*0.018+6*0.018
=(62+32+6)*0.018
=100*0.018
=1.8

10.76-0.83+1.24-4.17 =(10.76+1.24)-(0.83+4.17) =12-5 =81.3*0.1 =8.13 第三题:2.24×0.18÷3.5 =7×0.32×0...,

运用乘法分配律
做法一
0.62×1.8+3.2×0.18+6×0.018
=0.62×1.8+0.32×1.8+0.06×1.8
=(0.62+0.32+0.06)×1.8
=1×1.8
=1.8
做法二:
0.62×1.8+3.2×0.18+6×0.018
=6.2×0.18+3.2×0.18+0.6×0.18
=...

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运用乘法分配律
做法一
0.62×1.8+3.2×0.18+6×0.018
=0.62×1.8+0.32×1.8+0.06×1.8
=(0.62+0.32+0.06)×1.8
=1×1.8
=1.8
做法二:
0.62×1.8+3.2×0.18+6×0.018
=6.2×0.18+3.2×0.18+0.6×0.18
=(6.2+3.2+0.6)×0.18
=10×0.18
=1.8
做法三:
0.62×1.8+3.2×0.18+6×0.018
=62×0.018+32×0.018+6×0.018
=(62+32+6)×0.018
=100×0.018
=1.8

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