0.62乘以3.2加6.2乘以0.32简便运算怎么做?
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0.62×3.2+6.2×0.32
=0.62×0.32×10+6.2×0.32
=6.2×0.32+6.2×0.32
=6.2×0.32×2
=3.968
=0.62×0.32×10+6.2×0.32
=6.2×0.32+6.2×0.32
=6.2×0.32×2
=3.968
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0.62×3.2十6.2×0.32
=6.2×0.32+6.2×0.32
=6.2×0.32×2=3.968
=6.2×0.32+6.2×0.32
=6.2×0.32×2=3.968
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这题可以这样做
0.62×3.2+6.2×0.32
=0.62×3.2+0.62×3.2
=0.62×3.2×2
=
0.62×3.2+6.2×0.32
=0.62×3.2+0.62×3.2
=0.62×3.2×2
=
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0.62×3.2+6.2×0.32,
=6.2×0.64,
=3.968
=6.2×0.64,
=3.968
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0.62×3.2十6.2×0.32
=6.2×0.32+6.2×0.32
=6.2×0.32×2
=1.984×2
=3.968
=6.2×0.32+6.2×0.32
=6.2×0.32×2
=1.984×2
=3.968
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