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標題:
方程式!!!
發問:
1.59-3d=2 2.11-7y+3=-7 3.6m-11m+2=22 列式
最佳解答:
1. 59 - 3d = 2 59 - 2 = 3d 57 = 3d d = 29 2. 11 - 7y + 3 = -7 11 + 7 + 3 = 7y 21 = 7y y = 3 3. 6m - 11m + 2 = 22 -5m = 20 m = -4 2007-10-02 23:13:06 補充： 打錯字. 唔好意思第一條係 19 唔係 29
其他解答:
1.59-3d=2 59-2=3d 57=3d d=19 2.11-7y+3=-7 11-7y=-10 11-(-10)=7y 21=7y y=3 3.6m-11m+2=22 6m-11m=20 -5m=20 m=-4|||||1. 59-3d=2 -3d=-57 d=19 2. 11-7y+3=-7 14-7y=-7 -7y=-21 y=3 3. 6m-11m+2=22 -5m+2=22 -5m=20 m=-4|||||1. 59 - 3d = 2 59 - 2 = 3d 57 = 3d d = 29 2. 11 - 7y + 3 = -7 11 + 7 + 3 = 7y 21 = 7y y = 3 3. 6m - 11m + 2 = 22 -5m = 20 m = -4
方程式!!!
發問:
1.59-3d=2 2.11-7y+3=-7 3.6m-11m+2=22 列式
最佳解答:
1. 59 - 3d = 2 59 - 2 = 3d 57 = 3d d = 29 2. 11 - 7y + 3 = -7 11 + 7 + 3 = 7y 21 = 7y y = 3 3. 6m - 11m + 2 = 22 -5m = 20 m = -4 2007-10-02 23:13:06 補充： 打錯字. 唔好意思第一條係 19 唔係 29
其他解答:
1.59-3d=2 59-2=3d 57=3d d=19 2.11-7y+3=-7 11-7y=-10 11-(-10)=7y 21=7y y=3 3.6m-11m+2=22 6m-11m=20 -5m=20 m=-4|||||1. 59-3d=2 -3d=-57 d=19 2. 11-7y+3=-7 14-7y=-7 -7y=-21 y=3 3. 6m-11m+2=22 -5m+2=22 -5m=20 m=-4|||||1. 59 - 3d = 2 59 - 2 = 3d 57 = 3d d = 29 2. 11 - 7y + 3 = -7 11 + 7 + 3 = 7y 21 = 7y y = 3 3. 6m - 11m + 2 = 22 -5m = 20 m = -4
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