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整數四則運算

Authored by 李老師 李老師

Mathematics

7th Grade

Used 1+ times

整數四則運算
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

如圖所示,a、b、c、d、e、f分別為-19、-16、-8、-2、6、9六個數中的某一數,而且使 得a+b+c=a+(-5)+f=b+(-5)+e=c+(-5)+d=d+e+f,則b+(-5)+e=______。

0

-8

-12

-15

2.

FILL IN THE BLANKS QUESTION

1 min • 1 pt

計算 4-7+10-13+16-19+22-25+28-31+34-37+40-43+46-49+52-55+58 (a)   -511 + 514 = ?

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

小狸和甲、乙、丙三個好友本想一起平分52顆巧克力球。 全部分完後,發現: 甲多拿了3顆,乙少拿了1顆,丙多拿了1顆, 請問小狸拿了幾顆巧克力球?

12

10

8

6

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

設甲數比-10大4,乙數比-6小-2,則甲數+乙數=______

12

8

2

-10

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

設(-12)與6同時減去一數b後,恰好為相反數,則b=______。

3

-3

-1

1

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

(-3)和37同時加上______時,則二數會變成相反數。

15

17

-17

-15

7.

FILL IN THE BLANKS QUESTION

1 min • 1 pt

11+(-111)+1111+(-11111) + 111111+(-1111111)+11111111+(-111111111) =

(a)  

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