问题
解答题
|
答案
(1)
=x:6,0.75 1.5
1.5x=0.75×6,
1.5x=4.5,
1.5x÷1.5=4.5÷1.5,
x=3;
(2)x+
x=42,1 2
1.5x=42,
1.5x÷1.5=42÷1.5,
x=28.
|
(1)
=x:6,0.75 1.5
1.5x=0.75×6,
1.5x=4.5,
1.5x÷1.5=4.5÷1.5,
x=3;
(2)x+
x=42,1 2
1.5x=42,
1.5x÷1.5=42÷1.5,
x=28.