2.38×4.1+5.8×2.38+0.238 怎么简算?
问题描述:
2.38×4.1+5.8×2.38+0.238 怎么简算?
答
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