乘法分配律:64×64+36×64=64×(64+36)=64×100=6400
原式=64x(64十36)=64X100=6400。
64x64+36ⅹ64=(64+36)ⅹ64=100x64=6400
64×64+36×64=64×(64+36)=64×100=6400
64*64+36*64=64*(64+36)=64*100=6400