0.48×7.6+0.24×4.8用简便算法计算
问题描述:
0.48×7.6+0.24×4.8用简便算法计算
答
0.48×7.6+0.24×4.8
=4.8x0.76+0.24x4.8
=4.8x(0.76+0.24)
=4.8