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26.利用移項法則解方程式 ,請問在下列哪一個式子開始不正確?(A)(B)3x+2x=5(C)5x=5(D)x=1
問題詳情
26.利用移項法則解方程式
,請問在下列哪一個式子開始
不正確
?
(A)
(B)3x+2x=5
(C)5x=5
(D)x=1
參考答案
答案:B
難度:
計算中
-1
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【年級】高二上
【評論內容】(B) 方程式同乘6 ,.....觀看★★★★,...
上一篇 :
25.小智解方程式2/5(3x+10)=4x+4的步驟如下:步驟1:2(3x+10)=5(4x+4)步驟2:6x+20=20x+20步驟3:6x=20x步驟4:6=20,請問哪一個步驟不正確? (A)
下一篇 :
13.甲數是乙數的 3 倍多 17,也是乙數的 5 倍少 11,則甲數之值為何?(A) 61 (B) 59 (C) 57 (D) 55。
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15.數學課時,小明問老師的年紀為何?老師神回:「我在你這年紀時,你只有 2 歲,等你到我這年紀時,我就 65 歲了。」試問老師今年幾歲?(A) 23 (B) 24 (C) 34 (D) 44。
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