用简便及方法计算 6.7×0.1722.4用简便计视讯讲接

6.7×0.1722.4用简便计视讯讲接  

6.7×0.1722.4用简便计视讯讲接

6.7×0.1722.4用简便计视讯讲接
6.7×0.1+2.4
=0.67+2.4
=3.07

99999 77778 23333 666666简便计算视讯讲解!

简便计算
99999×77778+33333×666666
=99999×77778+99999×22222
=99999×（77778+22222）
=99999×100000
=9999900000

27.3×0.9+2.73简便计算视讯

=27.3X0.9+27.3X0.1
=27.3x(0.9+0.1)
=27.3x1
=27.3

8×6.7+3.3×3.8用简便计算

8×6.7+3.3×3.8
=4x6.7+0.2x6.7+3.8x6.7+3.3x3.8
=26.8+1.34+3.8x(6.7+3.3)
=28.14+3.8x10
=28.14+38
=66.14

简便计算6.7+2.63+4.3

6.7+2.63+4.3
=6.7+4.3+2.63
=11+2.63
=13.63

简便计算 9+6.66×6.7

使用计算器就已经很简便了=53.622

6.7-2.63+3.3-3.37简便计算

6.7-2.63+3.3-3.37
=（6.7+3.3）-（2.63+3.37）
=10-6
=4
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简便计算52.3×6.7+5.23×33

原式等于
52.3×（6.7+3.3）
=52.3×10
=523
所以原式的计算结果为523.

16.7×0.83-6.7×0.83简便计算

（16.7-6.7）×0.83

3.3 3.3×15 16×6.7简便计算

3.3+3.3×15+16×6.7
=3.3×（1+15）+16×6.7
=3.3×16+16×6.7
=（3.3+6.7）×16
=10×16
=160