a./b是分数,如果分子+2得1/2,如果分母+3得1/3,求a+b
（a+2）/b=1/2
a./(b+3)=1/3
推出a=7 b=18
∴a+b=25
a/b is a fraction.If 2 is added to the numerator,the value o
1个回答
相关问题
-
The following letters all have a numerical value.If the word
-
英语翻译If a - b = 10 and a^2-b^2=20,what is the value of
-
If A,B,C,and D are all positive numbers,is the value of A B
-
For what value of A is the plane 2x-2y+z=3 is tangent to the
-
英语翻译The ratio of one quantity to another is a fraction ,and
-
Find the value of 2a+10 when a is equal to 4.5
-
find the fraction which is mid-way between the two fractions
-
英语翻译The numerator is a rational power of the identity functi
-
生理学中：the numer of ions involved is minute relative to the to
-
the question is --- to land on the grassland A.if it is safe