Twice as many A as B A is
编辑： admin 2017-12-03
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4
B是A的两倍
A是B的两倍
从ab里减掉12,然后四舍五入到十位
提示：
B是A的两倍
A是B的两倍
从ab里减掉12，然后四舍五入到十位
类似问题
类似问题1：1.a fish is dropped into the edge of an eight foot deep large cylindrical tank.the fish is a bit confused and swims 8 yards straight and runs into the tank.it then turns exactly 90 degress and swims straight for 6 yards and runs into the tank again.W[英语科目]
第一题,看俯视图,先游8 yards,再转九十度,6 yards 1yard=3foot
圆柱底面（2R）^2=8^2+6^2所以,底面半径为15foot
圆柱容积就是V=πR^2h=1800π
第二道题,5英寸高,承载12盎司,地面面积就认为是12/5
那么,九英寸高,就有12/5*9=108/5盎司.
第三题,就是几何计算,小偷懒一下,就是相交弦定理.参考摆到底下,
知道定理,可以轻松算得EC=3
而至于证明后面的三角形,下面的证明里也有.
类似问题2：英文数学题目有些什么[英语科目]
What is the sum of a *b
类似问题3：第30题 [英语科目]
翻译是：解决下面问题的二次方程使用韦达定理,并用p和q表示x.
because of its quadratic equations
so P and Q are both not zero
and use the quadratic formula：
Finally,we have arrivaled at a conclusion that X1= p\q X2=q\p
类似问题4：英文数学[数学科目]
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类似问题5：英语翻译不要百度翻译的我过去数学不好.我的好朋友艾米很有耐心地帮助我,求翻译[英语科目]
she tells me the way to solve the maths problems
she tells/told me the way that/in which /不填 can solve the maths problems