0.4(y-0.2)+1.5=0.7y-0.38
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0.4(y-0.2)+1.5=0.7y-0.38
解方程 0.4(y-0.2)+1.5=0.7y-0.38
0.4(y-0.2)+1.5=0.7y-0.38
0.4(y一0.2)十1.5二0.7y一0.38这道题如何解方程?
0.4(y一0.2)十1.5二0.7y一0.38这道题如何解方程?
(y-0.3)/0.2=(0.7y+0.5)/0.5-1.5
计算 (y-0.3)/2=(0.7y+0.5)/0.5-1.5应该是(y-0.3)/0.2=(0.7y+0.5)/0.5-1.5
0.4(y-0.2)+1.5=0.7y-0.38解方程
-0.7y+0.2=-0.3y+0.1 y=?
-0.7y+0.2= -0.3y+0.1
0.2y²-0.4y=0.1
1x=0.5y 2x=2y 3x=4.5y 求规律.(如y=...)如果y是1.5,x是多少?
··0.4y+0.9/0.5-y-5/2=0.3+0.2y/0.3求y
·0.4y+0.9/0.5-y-5/2=0.3+0.2y/0.3求y
[(x-y)²+(x+y)(x-y)]/2xx=3,y=-1.5
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