Question 1

下列計算何者錯誤？

Accepted Answer

( -1 ) $	imes$ ( -1 ) $	imes$ ( -1 ) = 3

Answer

( -7 ) $	imes$ ( -9 ) = 63

Answer

0 $	imes$ 2011 = 0

Answer

3 $	imes$ ( -8 ) = -24

Question 2

從 -8、-6、-4、-2、5、7中任取三個數相乘，則最小的乘積為何？

Accepted Answer

-280

Answer

-192

Answer

-210

Answer

-70

Question 3

( -98 ) $	imes$ 99的值與下列那一個式子的值相等？

Accepted Answer

( -98 ) $	imes$ 98 - 98

Answer

( -98 ) $	imes$ 98 + 98

Answer

( -98 ) $	imes$ 100 - 98

Answer

( -98 ) $	imes$ 98 + 1

Question 4

比 -3 大 5 的數是甲，比 ( -2 ) 小 5 的數是乙，則甲 $	imes$ 乙 = ？

Accepted Answer

-14

Answer

-24

Answer

-6

Answer

-56

Question 5

計算 15 $	imes$ ( -3 ) $\div$ ( -5 )

Accepted Answer

9

Answer

1

Answer

-9

Answer

-1

Question 6

計算 24 $\div$ [ ( -3 ) + ( -5 )] = ？

Accepted Answer

-3

Answer

13

Answer

-13

Answer

3

Question 7

計算 ( -3 ) $	imes$ ( -4 ) - ( -2 ) = ？

Accepted Answer

14

Answer

-14

Answer

12

Answer

-10

Question 8

計算 ( -6 ) $\div$ ( -2 ) - ( -2 ) $	imes$ 4 = ？

Accepted Answer

11

Answer

24

Answer

5

Answer

4

Question 9

計算 ( -63 ) $\div$ ( -9 ) $	imes$ ( -7 ) = ？

Accepted Answer

-49

Answer

1

Answer

49

Answer

-1

Question 10

計算 ( -68 ) $	imes$ ( -72 ) - ( -68 ) $	imes$ 28

Accepted Answer

6800

Answer

2992

Answer

-6800

Answer

-2992

Question 11

計算 75 $	imes$ 63 + 37 $	imes$ 125 + 75 $	imes$ 37 + 63 $	imes$ 125 = ？

Accepted Answer

20000

Answer

10000

Answer

18750

Answer

40000

Question 12

999 $	imes$ ( -98 ) + 999 $	imes$ ( -2 ) = 999 $	imes$ a = b，求 b - a = ？

Accepted Answer

-99800

Answer

-99900

Answer

100000

Answer

10100

Question 13

若 551 $	imes$ ( -997 ) = 550 $	imes$ ( -997 ) + $\Box$，則 $\Box$ = ？

Accepted Answer

-997

Answer

-55

Answer

1

Answer

997

Question 14

已知 a $	imes$ 321 = 1358，則 ( a + 2 ) $	imes$ 321 = ？

Accepted Answer

2000

Answer

716

Answer

2321

Answer

1679

Question 15

請問下列各算式的值何者最小？

Accepted Answer

3 $	imes$ 5 $\div$ ( -7 )

Answer

3 $	imes$ ( -5 ) $\div$ ( -7 )

Answer

( -3 ) $	imes$ ( -5 ) $\div$ 7

Answer

( -3 ) $	imes$ 5 $\div$ ( -7 )

Question 16

計算 [ ( -399 ) $	imes$ ( -25 ) + 77 ] $	imes$ 0 + 1 $	imes$ ( -5 ) = ？

Accepted Answer

-5

Answer

0

Answer

5

Answer

-1

Question 17

計算 3 - 4 $	imes$ ( 2 - 5 ) = ？

Accepted Answer

15

Answer

-4

Answer

-6

Answer

9

Question 18

若甲、乙、丙均為正數，且甲 $	imes$ ( -4 ) = 乙 $	imes$ ( -3 ) = 丙 $	imes$ ( -2 )，則甲、乙、丙三數的大小關係為何？

Accepted Answer

甲 < 乙 < 丙

Answer

乙 < 甲 < 丙

Answer

甲 > 丙 > 乙

Answer

甲 > 乙 > 丙

Question 19

如圖，數線上A、B兩點所代表的數分別為 a、b，則下列那一個算式所得的結果最小？

Accepted Answer

a + b

Answer

a $	imes$ b

Answer

a - b

Answer

a $\div$ b

Question 20

有一隻青蛙由數線上 -2 的位置開始向右跳，每次跳躍的距離都相等，且方向不變，當牠跳了3次後，落在7的位置上，則再跳17次後，牠會落在那個位置上？

Accepted Answer

58

Answer

81

Answer

64

Answer

55

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