问题
填空题
a+b=420,a÷b=
|
答案
由a÷b=
,可得:a=3 7
b;3 7
代入a+b=420,可得:
b+b=4203 7
b=42010 7
b÷10 7
=420÷10 7 10 7
b=294;
a=
b=3 7
×294=126.3 7
故答案为:126,294.
a+b=420,a÷b=
|
由a÷b=
,可得:a=3 7
b;3 7
代入a+b=420,可得:
b+b=4203 7
b=42010 7
b÷10 7
=420÷10 7 10 7
b=294;
a=
b=3 7
×294=126.3 7
故答案为:126,294.