用简便算法请帮助37*24+74*38 32*62-64 750*43+430*25
问题描述：
用简便算法请帮助37*24+74*38 32*62-64 750*43+430*25
答
37*24+74*38
=37*24+37*76
=37*(24+76)
=37*100
=3700
32*62-64
=64*31-64
=64*(31-1)
=64*30
=1920
750*43+430*25
=750*43+43*250
=(750+250)*43
=1000*43
=43000