X-0.2X=4.4这个方程怎么解?3Q
问题描述:
X-0.2X=4.4这个方程怎么解?3Q
答
(1-0.2)x=4.4 0.8x=4.4 x=4.4/0.8( / 是除以的意思) x=5.5 解答完毕.
答
x-0.2x=4.4 (1-0.2)x=4.4 0.8x=4.4 x=4.4/0.8 x=5.5