3.42x76.3+7.63x57.6+9.18x23.7用乘法分配律及转化

3.42×76.3+7.63×57.6+9.18×23.7
=3.42×76.3+76.3×5.76+9.18×23.7
=76.3x(3.42+5.76)+9.18x23.7
=76.3x9.18+9.18x23.7
=9.18x(76.3+23.7)
=9.18x100
=918
57.6应该是5.76
你打错了吧
如果符合求采