Question 1

1.「z‧(−18) $\le$ 36 → z ____(−2)」當中的____要填入哪個不等符號?

Accepted Answer

Answer

Answer

Answer

Question 2

2.「x + 70 $\le$ 56 → x ____(−14)」當中的____要填入哪個不等符號?

Accepted Answer

Answer

Answer

Answer

Question 3

3.「6y $>$ 42 → y ____7」當中的____要填入哪個不等符號?

Accepted Answer

Answer

Answer

Answer

Question 4

4.下列哪些是方程式− 7x $>$ 21的解?

Accepted Answer

− 3

Answer

− 6

Answer

− 4

Answer

− 12

Question 5

5.下列哪些是方程式− 7x − 5 $\le$ 23的解?

Accepted Answer

− 4

Answer

4

Answer

− 2

Question 6

6.下列哪些是不等式( $-\frac{1}{4}$ )x+6 $\le$ 12的解?

Accepted Answer

− 27

Answer

− 24

Answer

40

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