问题
解答题
求未知数x:
|
答案
(1)
x+2 3
x=42,1 2
x=42,7 6
x×7 6
=42×6 7
,6 7
x=36;
(2)
=x:6,0.75 1.5
1.5x=6×0.75,
1.5x÷1.5=4.5÷1.5,
x=3.
求未知数x:
|
(1)
x+2 3
x=42,1 2
x=42,7 6
x×7 6
=42×6 7
,6 7
x=36;
(2)
=x:6,0.75 1.5
1.5x=6×0.75,
1.5x÷1.5=4.5÷1.5,
x=3.