问题
解答题
解下列方程.
|
答案
(1)4.18x-1.9x=19.38,
(4.18-1.9)x=19.38,
2.28x=19.38,
2.28x÷2.28=19.38÷2.28,
x=8.5;
(2)0.36-x=0.12,
0.36-x+x=0.12+x,
0.12+x=0.36,
0.12+x-0.12=0.36-0.12,
x=0.24.
解下列方程.
|
(1)4.18x-1.9x=19.38,
(4.18-1.9)x=19.38,
2.28x=19.38,
2.28x÷2.28=19.38÷2.28,
x=8.5;
(2)0.36-x=0.12,
0.36-x+x=0.12+x,
0.12+x=0.36,
0.12+x-0.12=0.36-0.12,
x=0.24.