125x16=125x(2x8)=(125X8)x2=1000x2=2000
125*16=125*8*2=1000*2=2000
125*16=125*4*4=500*4=2000
125x16=125x8*2=1000*2=2000
50x125x16用简便方法计算 =50*2*125*8=100*1000=100000
125x16=125x8x2=1000x2=2000
是A,和c
125*8+125*8 = 1000 +1000 = 2000 望采纳,绝对正确!
125x16 ==125x4x4=500x4=2000
简便计算过程方法如下 解:5x5x125x16=5*5*125*8*2=(5*2*5)*(125*8)=50*1000=50000