几道数学题,计算的有简便计算就简便计算
1.14÷5/6×3/28
2.X-3/4X=1/8
人气:245 ℃ 时间:2019-10-08 23:27:38
解答
14÷5/6×3/28 x-3/4=1/8
=14×6/5×3/28 (1-3/4)x=1/8
=14×3/28×6/5 1/4x=1/8
=3/2×6/51/4x÷1/4=1/8×4
=9/5x=1/2
咱是第一个回答的,给我加分哦~~
推荐
猜你喜欢
- the most discriminatory acts against Asian Americans by white Americans during the 19th and 20th centuries,and discuss t
- 1,2,3,6,11,20,37,( ) .
- 设函数f(x2+1)=(x2-1)/(2x2+1),则f(x)=
- 动词后面跟什么加形容词还是副词
- ( )的嘶叫 ( )地吐出 介绍得( ) 描绘得( ) 处理得( )
- It's too ____to play football in the street.空白处填d开头的单词!1111
- 加工厂去年获利润12.1万元,超过计划3.2万元,超过计划的百分之几?(百分号前保留一位小数)
- 正午太阳光照射时,物体的影子永远朝北的是什么地方