215x108简便方法怎么做
215x108简便方法怎么做
215x108
=215x(100+8)
=215x100+215x8
=21500+1720
=23220
324x102简便方法怎么做
=324×(100+2)
=32400+324×2
=32400+648
=33048
14x102用简便方法怎么做
14x102
=14×(100+2)
=14×100+14×2
=1400+28
=1428
353x101-352用简便方法怎么做
353x101-352
=353*101-353+1
=353*(101-1)+1
=353*100+1
=35300+1
=35301
325x103 325x13 325x84用简便方法怎么做?
325×103+325×13+325×84
=325×(103+13+84)
=325×200
=65000
3.45x102请问简便方法怎么做谢谢
3.45×102
=3.45×(100+2)
=345+6.9
=351.9
54x108怎么简便
54x108怎么简便
=54×(100+8)
=54×100+54×8
=5400+432
=5832
8260x14用简便方法怎么做
=8260x14
简化:
=(8260x10)+(8260x4)
=82600+33040
=115640
3.45X102的简便方法怎么作
3.45X102
=3.45X(100+2)
=3.45x100+3.45x2
=345+6.9
=351.9
1.5x10.5简便方法怎么写
1.5×10.5
=(1+0.5)×10.5
=1×10.5+0.5×10.5
=10.5+5.2
=15.7