(8+14)*125=8*125+14*125=2750
简便计算(8+14)x125=22x125=11x2x125=11x250=10x250+250=2500+250=2750
(8+4)*125=(10+2)*125=1250+250=1500
(8+14)×125=(8+10+4)×125=8×125+10×125+4×125=1000+1250+500=2750