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三年級數學(加減和小括號)

Authored by Lam Yu-Sum

Mathematics

3rd Grade

Used 20+ times

三年級數學(加減和小括號)
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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 18+(82)18+\left(8-2\right)  

22

23

24

28

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 27(103)27-\left(10-3\right)  

20

30

14

17

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 358+(26780)358+\left(267-80\right)  

445

525

555

545

4.

MULTIPLE SELECT QUESTION

1 min • 1 pt

下列哪些算式在刪去小括號後,仍可算出相同的答案?

3538(1029+1170)3538-\left(1029+1170\right)

8096(1357849)8096-\left(1357-849\right)

1849+(615+122)1849+\left(615+122\right)

5832+(94828294)5832+\left(9482-8294\right)

5.

MULTIPLE SELECT QUESTION

1 min • 1 pt

下列哪些算式在刪去小括號後,仍可算出相同的答案?

987+(4876+2043)987+\left(4876+2043\right)

7178(3729+2154)7178-\left(3729+2154\right)

168+(96021934)168+\left(9602-1934\right)

1648(71036891)1648-\left(7103-6891\right)

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 8503+(62465812)8503+\left(6246-5812\right)  


下列哪個算式和以上算式的答案相等?

 85036246+58128503-6246+5812  

 8503+624658128503+6246-5812  

 8503624658128503-6246-5812  

 8503+6246+58128503+6246+5812  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 8503(1246+5812)8503-\left(1246+5812\right)  


下列哪個算式和以上算式的答案相等?

 85031246+58128503-1246+5812  

 8503+124658128503+1246-5812  

 8503124658128503-1246-5812  

 8503+1246+58128503+1246+5812  

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