简便运算 4.26x5.8+57.4x0.58
问题描述:
简便运算 4.26x5.8+57.4x0.58
答
4.26x5.8+57.4x0.58
=4.26×5.8+5.74×5.8
=(4.26+5.74)×5.8
=10×5.8
=58
答
原式=4.26×5.8 5.74×5.8
=5.8×(4.26 5.74)
=5.8×10
=58
望采纳