2.86*4.96+2.48*4.28用乘法分配律怎么解答?

问题描述:

2.86*4.96+2.48*4.28用乘法分配律怎么解答?

2.86*4.96+2.48*4.28
=2.86*2*2.48+2.48*4.28
=2.48*(5.72+4.28)
=2.48*10
=24.8