Question 1

下列各數的和，那一個選項的值最大？

Accepted Answer

( -5 ) + 10

Answer

23 + ( -30 )

Answer

( -9 ) + 12

Answer

( -27 ) + 7

Question 2

用「+」表示上漲，「-」表示下跌。股市在第一天上漲150點，第二天下跌100點，第三天又上漲40點，則這連續三天漲跌的情況是多少？

Accepted Answer

+90點

Answer

-50點

Answer

+190點

Answer

-70點

Question 3

下列那一個是正確的？

Accepted Answer

28 - 23 = - ( 23 - 28 )

Answer

42 - ( -31 ) = 31 - 42

Answer

( -15 ) - 26 = - ( 15 - 26 )

Answer

43 - ( -56 ) = ( 43 - 56 )

Question 4

下列何者減去 ( -6 ) 後，其絕對值大於10？

Accepted Answer

5

Answer

-5

Answer

-4

Answer

4

Question 5

已知 | 15 - a | = 8，則 a 可能是下列那一個值？

Accepted Answer

23

Answer

-7

Answer

17

Answer

-23

Question 6

已知 | 甲 | + | 乙 | = 5，則下列何者不可能是甲數？

Accepted Answer

-7

Answer

-2

Answer

0

Answer

3

Question 7

某人從 -6$^{\circ}$C的冰雕館走到 18$^{\circ}$C的戶外，則氣溫的變化為何？

Accepted Answer

上升 24$^{\circ}$C

Answer

上升 18$^{\circ}$C

Answer

上升 12$^{\circ}$C

Answer

下降 6$^{\circ}$C

Question 8

運算 ( -4 ) + 11 + ( -9 ) 的結果和下列那一個運算結果不同？

Accepted Answer

-( 4 + 11 - 9 )

Answer

11 + [ ( -4 ) + ( -9 ) ]

Answer

[ ( -4 ) + ( -9 ) ] + 11

Answer

11 - ( 4 + 9 )

Question 9

何列各算式的值，何者是最小的？

Accepted Answer

( -8 ) + ( -11 )

Answer

9 + ( -17 )

Answer

( -13 ) - ( -7 )

Answer

9 - ( -17 )

Question 10

數線上A( 2 )、B( -3 )、C( -1 )、D( 5 )四個點，則那兩點之間的距離最短？

Accepted Answer

B、C

Answer

A、B

Answer

A、D

Answer

A、C

Question 11

若甲 > 0，乙 < 0，則下列何者必為正數？

Accepted Answer

甲 - 乙

Answer

甲 + 乙

Answer

| 甲 | - | 乙 |

Answer

乙 - 甲

Question 12

數線上有P、Q、R三點，已知Q( -3 )、R( -6 )，且$\overline{PQ}$ = 2$\overline{QR}$，則P點坐標為何？

Accepted Answer

3 或 -9

Answer

3 或 -3

Answer

-3 或 9

Answer

9 或 -9

Question 13

下列那一個算式等號的兩邊不相等？

Accepted Answer

( -8 ) + ( -9 ) = 8 + ( -9 )

Answer

| -7 | + | -6 | = 7 + 6

Answer

( -8 ) + 0 = 0 + ( -8 )

Answer

4 - 5 = 4 + ( -5 )

Question 14

數線上有A、B、C三點，已知A( 11 )、B( -3 )，且B點為A、C兩點的中點，則C點坐標為何？

Accepted Answer

-17

Answer

1

Answer

4

Answer

-14

Question 15

數線上有A( -2 )、B( -9 )、C( 3 )、D( 5 )、E( -15 )五個點，則$\overline{AB}$ + $\overline{CD}$ - $\overline{CE}$ = ？

Accepted Answer

-9

Answer

6

Answer

24

Answer

-2

Question 16

-17 與 35兩個數同時減去多少後，剛好會互為相反數？

Accepted Answer

9

Answer

-23

Answer

23

Answer

-9

Question 17

設甲 = -7，乙 = 7，則下列何者最大？

Accepted Answer

乙 - 甲

Answer

-甲 - 乙

Answer

甲 - 乙

Answer

甲 + 乙

Question 18

若甲 + ( -5 ) = 乙 - ( -7 ) = 丙 - 8，則甲、乙、丙三數的大小順序為何？

Accepted Answer

丙 > 甲 > 乙

Answer

丙 > 乙 > 甲

Answer

乙 > 甲 > 丙

Answer

甲 > 丙 > 乙

Question 19

計算 [ ( -3456789) + 899931 ] + ( -899930 )

Accepted Answer

-3456788

Answer

3456788

Answer

3456790

Answer

-3456790

Question 20

若 a + b > 0，且 | a | - | b | < 0，則下列那一個圖示可能是 a、b 在數線上的位置？

Accepted Answer

https://uploads.quizalize.com/bbea196c-37f9-40f5-baf7-8dfe3f0a7720/question/897d931bd4bcbe212e49a7a28b2c603297b9ecb5.jpg

Answer

https://uploads.quizalize.com/bbea196c-37f9-40f5-baf7-8dfe3f0a7720/question/fb0873477a656e7864fa0ce483a54193635ddf6e.jpg

Answer

https://uploads.quizalize.com/bbea196c-37f9-40f5-baf7-8dfe3f0a7720/question/d5d1bfba49c1b806a8a1ecfbc1671657943a1fde.jpg

Answer

https://uploads.quizalize.com/bbea196c-37f9-40f5-baf7-8dfe3f0a7720/question/2a7eda3da871410b5ac3b35f640e7d862b77f146.jpg

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