问题
解答题
解方程和比例:
4.8x+1
x÷
|
答案
:4 9
=x:151 6
x=1 6
×154 9
x=40;
4.8x+1
x=181 5
6x=18
x=3;
x÷
+7=1031 3
x÷
=961 3
x=288.
解方程和比例:
4.8x+1
x÷
|
:4 9
=x:151 6
x=1 6
×154 9
x=40;
4.8x+1
x=181 5
6x=18
x=3;
x÷
+7=1031 3
x÷
=961 3
x=288.