0.8888×0.3+0.1111×5.6的简便计算
问题描述:
0.8888×0.3+0.1111×5.6的简便计算
答
0.8888×0.3+0.1111×5.6
=0.8888×0.3+0.1111×8X0.7
=0.8888X(0.3+0.7)
=0.8888