0.79×0.46+7.9×0.24+11.4×0.079
问题描述:
0.79×0.46+7.9×0.24+11.4×0.079
答
0.79x0.46+7.9x0.24+11.4x0.079=0.79x(0.46+2.4+1.14)=0.79x4=3.16
0.79×0.46+7.9×0.24+11.4×0.079
0.79x0.46+7.9x0.24+11.4x0.079=0.79x(0.46+2.4+1.14)=0.79x4=3.16