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x>y>z
y>z>x
y>x>z
z>y>x
下列哪一個圖示是不等式3+3x<18的解?
一元一次不等式2x+3>4x-7,其最大整數解為何?
4
3
2
1
3x-4>0
2x-8>0
3x-4≧0
2x-8≧0
(計算紙拿出來慢慢算!!!!!)
x≥1x\ge1x≥1
x≥49x\ge\frac{4}{9}x≥94
x≥94x\ge\frac{9}{4}x≥49
x≥32x\ge\frac{3}{2}x≥23
不等式2x-4≦5x-8的解為何?
x≤43x\le\frac{4}{3}x≤34
x≥43x\ge\frac{4}{3}x≥34
x≤4x\le4x≤4
x≥4x\ge4x≥4
下列何者為不等式-5x-8>2x+6的圖解?
x<-25
x>-25
x<5
x>5
(A)a>0 (B)b>0 (C)a<0 (D)b<0
a>0
b>0
b<0
a<0
已知a、b、c三數,若a>b,且c為任意數,則下列何者是正確的?
ac>bc
ac<bc
ac=bc
ac與bc無法比較大小
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