2.38×4.1+5.8×2.38+0.238 怎么简算?
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2.38×4.1+5.8×2.38+0.238 怎么简算?
![2.38×4.1+5.8×2.38+0.238 怎么简算?](/uploads/image/z/17223986-2-6.jpg?t=2.38%C3%974.1%2B5.8%C3%972.38%2B0.238+%E6%80%8E%E4%B9%88%E7%AE%80%E7%AE%97%3F)
2.38×4.1+5.8×2.38+0.238
=0.238×71+58×0.238+0.238
=0.238×(41+58+1)
=0.238×100
=23.8
=0.238×71+58×0.238+0.238
=0.238×(41+58+1)
=0.238×100
=23.8