4.4×3.8+3.8×5.76能简算吗?如果能怎么简算?
问题描述:
4.4×3.8+3.8×5.76能简算吗?如果能怎么简算?
答
4.4×3.8+3.8×5.76
=3.8×(4.4+5.76)
=3.8×10.16
=3.8×(10+0.16)
=3.8×10+3.8×0.16
=38+0.608
=38.608