23232323x28-46464646x14的简便计算,23232323x28-46464646x14=46464646ⅹ14-46464646x14=0。
将28先写成算式14x2,原式变成如下.
23232323x2x14一46464646x14
=(46464646一46464646)x14(乘法分配律)
=0x14
=0
23232323×28-46464646×14
=23232323×2×14-46464646×14
=46464646×14-46464646×14
=0
=23232323*2*14-23232323*2*14
=0