发布网友
共2个回答
热心网友
18.76×9.9+18.76=18.76×(9.9+1)
=18.76×10.1
=18.76×10+18.76×0.1
=自己写
4.25÷3.5
=(17/4)÷(7/2)
=(17/4)×(2/7)
=17/14
4.8×7.8+70.52
=不会
热心网友
18.76x(9.9+1)