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數學
國小三四年級
題目預覽
目前顯示 10 道題目中的前 5 道——免費註冊即可匯入完整題庫，和全班一起玩。
1
What is the result of dividing a negative number by a negative number?
A
Negative
B
Cannot be determined
C
Positive
D
Zero
2
When using the KEEP–CHANGE–FLIP method to divide fractions, what do you do?
A
Flip the first fraction, change division to multiplication, keep the second fraction
B
Keep the first fraction, change division to multiplication, flip the second fraction
C
Keep the first fraction, change division to addition, flip the second fraction
D
Keep both fractions, change division to multiplication, flip both fractions
3
What is the quotient of -3/4 ÷ 2/5?
A
15/8
B
-15/8
C
8/15
D
-8/15
4
Which of the following is equivalent to -2/3 ÷ 4/5?
A
-2/3 × 4/5
B
-2/3 × 5/4
C
-3/2 × 5/4
D
2/3 × 5/4
5
A submarine descends at a rate of -3/4 meters per minute. How long will it take to descend -6 meters?
A
4.5 minutes
B
-4.5 minutes
C
8 minutes
D
-8 minutes