6.7+9.9x67简算
6.7+9.9x67简算
6.7+9.9x67
=6.7+99*6.7
=6.7*(1+99)
=6.7*100
=670
99x63+36x9.9+9.9怎样简算
9.9x(630+36+1)
=9.9x667
=(10-0.1)x667
=10x667-0.1x667
=6670-66.7
=6603.3
谢采纳
6.7 x4.8 0.52x67简算
6.7 x4.8 0.52x67简算
6.7 x4.8 0.52x67
=67*0.48+67*0.52
=67*(0.48+0.52)
=67*1
=67
6.8+9.9x68怎样简算
6.8+9.9x68
=6.8+99x6.8
=6.8x100
=680
99x11-33x67怎么简算
99x11+33x67怎么简算
99x11+33x67
=33*33+33*67
=33*(33+67)
=33*100
=3300
竖式简算68x87=,59x67=
..68
.X87
-----
.476
544
-----
5916
68X87=5916
-------------------
..59
.X67
-----
.413
354
-----
3953
59X67=3953
--------------------
竖式计算 应该就是这个样子
结果已经检验了
算这个小九九得背好
呵呵
(点是用来占位的,便于你观察方便,实际演算中是没有的)
6.8×9.9x0.1能简算的要简算
6.8×9.9x0.1
=6.8×0.99
=6.8x(1-0.01)
=6.8-6.8x0.01
=6.8-0.068
=6.732
,
你好,本题已解答,如果满意
请点右下角“采纳答案”。
97x6.7+6.7能简算吗?
97x6.7+6.7
=(97+1)×6.7
=98×6.7
=(100-2)×6.7
=100×6.7-2×6.7
=670-13.4
=656.6