25乘以25简便算法 33乘12/17怎么用简便运算。 解答

33乘12/17怎么用简便运算。 解答  

33乘12/17怎么用简便运算。 解答

33×12/17
=（34-1）×12/17
=34×12/17-12/17
=24-12/17
=23又5/17

33乘12/17怎么用简便运算

33x12/17
=(34-1)x12/17
=34x12/17-12/17
=24-12/17
=23+5/17
＝23又17分之5

12/1.25简便运算

12/1.25
分子分母都乘以8
得96/10
=9.6

12/17*11-12/11*5 怎样简便运算 急！

12/17*11-12/11*5
=12÷（17×11）-12÷(11×5)
=12/[11(17-5)]
=12/(11×12)
=1/11

算式17/9乘5,8+17/9乘10,2+17/9怎么用简便运算?

算式17/9乘5=85/9=9又4/9
,8+17/9乘10=8+170/9=8+18又8/9=26又8/9
2+17/9=2+1又8/9=3又8/9

397×17怎么用简便运算

397×17
=(400-3)x17
=400x17-3x17
=6800-51
=6749

简便运算56×12/11

56×12/11
=(55+1)x12/11
=5x12 + 12/11
=60 +12/11
=61 +1/11
=61又11分之1

12/23×24简便运算

12/23×24简便运算
12/23×24
=12/23*(23+1)
=12/23*23+12/23
=12又12/23

2378/17-324/17+224/17怎么用简便运算

2378/17-324/17+224/17
=(2378-324+224）/17
=2278/17
=134

333×33怎么用简便运算做

333x33
=333x30+333x3
=9990+999
=10000+1000-10-1
=11000-11
=10989