问题
解答题
|
答案
(1)x-0.15x=8.5,
0.85x=8.5,
0.85x÷0.85=8.5÷0.85,
x=10;
(2)
=3.6 x
,0.8 1.2
0.8x=3.6×1.2,
0.8x=4.32,
0.8x÷0.8=4.32÷0.8,
x=5.4.
|
(1)x-0.15x=8.5,
0.85x=8.5,
0.85x÷0.85=8.5÷0.85,
x=10;
(2)
=3.6 x
,0.8 1.2
0.8x=3.6×1.2,
0.8x=4.32,
0.8x÷0.8=4.32÷0.8,
x=5.4.