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標題:

未知數1題

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發問:

(y+1.5y)2分1=750 幫我計左佢!!! please~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

最佳解答:

(y + 1.5y) x 1/2 =750 (2.5y) x 1/2 = 750 1.25y = 750 y = 750 / 1.25 y = 600 希望幫到你

其他解答:

(y+1.5y)/2 = 750 3.5y = 1500 y = 428 又 4/7 2007-07-16 09:45:23 補充： 應該係2.5 y = 1500 y = 600|||||(y+1.5y)X1/2 = 750 2.5y X 0.5 = 750 1.25y =750 y = (750/1.25) y = 600 Hope can help you.|||||(y+1.5y)2分1=750 2.5y x 0.5 =750 1.25y=750 y=600