式子5(x-4)-(x-3)当x=几,时式子值=1
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式子5(x-4)-(x-3)当x=几,时式子值=1
式子5(x-4)-(x-3)当x=几,时式子值=1
式子5(x-4)-(x-3)当x=几,时式子值=1
5(x-4)-(x-3)=1
5X-20-X+3=1
4X=18
X=4.5
x=4.5
x=4.5
式子5(x-4)-(x-3)当x=几,时式子值=1
式子5(x-4)-(x-3)当x=几,时式子值=1
式子5(x-4)-(x-3)当x=几,时式子值=1
5(x-4)-(x-3)=1
5X-20-X+3=1
4X=18
X=4.5
x=4.5
x=4.5