发布网友
共2个回答
热心网友
6.3x10.3
=(6+0.3)×(10+0.3)
=6×10+6×0.3+0.3×10+0.3×0.3
=60+1.8+3+0.09
=.
热心网友
6.3*10+6*0.3+0.3*0.3=.