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2.2.1 两个数目的减法
2.2.1 Dua Nombor Penambahan

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Published by LIM JIT TIAN Moe, 2021-02-20 03:21:05

单元 2 基本运算 Nombor Bulat

2.2.1 两个数目的减法
2.2.1 Dua Nombor Penambahan

J T LIM

单元2
基本运算

两个数目的减法

-

2 23 8 1 12 3

1) 2 238 - 1 123 = 1 115

2 23 8

- 1 12 3

1 11 5

-

3 14 7 1 12 2

2) 3 147 - 1 122 = 2 025

3 14 7

-1 12 2

2 02 5

1 794 723

3) 圆珠笔和铅笔相差多少支?
1 794 ― 723 = 1 071

1794
― 723

1071

答: 相差1 071支。

4) 6 757 ― 528 = 6 229

4 17

6757
― 528

6229

5) 30 92 ― 19 07 = 11 85

2 10 8 12

309 2
―19 0 7

11 8 5

6) 8 455 ― 6 467 = 1 988

7 13 14 15

8 45 5
―6 46 7

1 98 8


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