Latihan
Latihan tambahan
7 soalan untuk mengukuhkan unit Tolak Jisim. Jika salah, baca petunjuk dan cuba lagi.
760 g − 345 g = ?
| g | |
|---|---|
| 760 | |
| − | 345 |
| ? |
克减克 = gram tolak gram
个位 0 不够减 5,向十位借 1:10 − 5 = 5;十位 6 − 1 − 4 = 1;百位 7 − 3 = 4。答案 415 g。
例子:930 g − 214 g = 716 g。
注意:425 g 是个位倒过来 5 − 0;1 kg 105 g 是做成了加法。
grams minus grams = gram tolak gram
The ones digit 0 is less than 5, so borrow a ten: 10 − 5 = 5; tens 6 − 1 − 4 = 1; hundreds 7 − 3 = 4. The answer is 415 g.
Example: 930 g − 214 g = 716 g.
Watch out: 425 g does 5 − 0 backwards in the ones, and 1 kg 105 g adds instead.
52 kg − 27 kg = ?
| kg | |
|---|---|
| 52 | |
| − | 27 |
| ? |
公斤减公斤 = kg tolak kg
个位 2 不够减 7,借 1 当 10:12 − 7 = 5;十位 5 − 1 − 2 = 2。答案 25 kg。
例子:81 kg − 46 kg = 35 kg。
注意:35 kg 是借了位却没把十位的 5 改成 4。
kilograms minus kilograms = kg tolak kg
The ones digit 2 is less than 7, so borrow a ten: 12 − 7 = 5; tens 5 − 1 − 2 = 2. The answer is 25 kg.
Example: 81 kg − 46 kg = 35 kg.
Watch out: 35 kg borrows but forgets to reduce the tens from 5 to 4.
8 kg 925 g − 3 kg 610 g = ?
| kg | g | |
|---|---|---|
| 8 | 925 | |
| − | 3 | 610 |
| ? | ? |
不借位的分栏减法 = tolak tanpa pinjam
克:925 − 610 = 315,够减。公斤:8 − 3 = 5。答案 5 kg 315 g。
例子:6 kg 870 g − 2 kg 450 g = 4 kg 420 g。
注意:每一栏都是上面减下面,十位 2 − 1 = 1,不是 3。
subtracting without borrowing = tolak tanpa pinjam
Grams: 925 − 610 = 315 with nothing to borrow. Kilograms: 8 − 3 = 5. The answer is 5 kg 315 g.
Example: 6 kg 870 g − 2 kg 450 g = 4 kg 420 g.
Watch out: always take the bottom from the top; in the tens 2 − 1 = 1, not 3.
6 kg 300 g − 2 kg 750 g = ?
| kg | g | |
|---|---|---|
| 6 | 300 | |
| − | 2 | 750 |
| ? | ? |
借 1 kg = pinjam 1 kg
300 < 750,借 1 kg:6 变 5,克 1 300 − 750 = 550。公斤 5 − 2 = 3。答案 3 kg 550 g。
例子:5 kg 100 g − 1 kg 600 g = 3 kg 500 g。
注意:4 kg 550 g 借了位但公斤没减 1。
borrowing 1 kg = pinjam 1 kg
300 is less than 750, so borrow 1 kg: 6 becomes 5 and the grams give 1 300 − 750 = 550. Kilograms 5 − 2 = 3. The answer is 3 kg 550 g.
Example: 5 kg 100 g − 1 kg 600 g = 3 kg 500 g.
Watch out: 4 kg 550 g borrows but does not take 1 off the kilograms.
2 kg − 650 g = ?
| kg | g | |
|---|---|---|
| 2 | 0 | |
| − | 650 | |
| ? | ? |
整公斤减克 = kg bulat tolak gram
2 kg 写成 2 kg 0 g。借 1 kg:2 变 1,克 1 000 − 650 = 350。答案 1 kg 350 g。
例子:4 kg − 300 g = 3 kg 700 g。
注意:2 kg 350 g 忘了借走的 1 kg;1 kg 650 g 是把 650 照抄。
whole kilograms minus grams = kg bulat tolak gram
Write 2 kg as 2 kg 0 g. Borrow 1 kg: 2 becomes 1 and the grams give 1 000 − 650 = 350. The answer is 1 kg 350 g.
Example: 4 kg − 300 g = 3 kg 700 g.
Watch out: 2 kg 350 g forgets the kilogram that was borrowed, and 1 kg 650 g simply copies the 650.
Seekor itik 3 kg 25 g dan seekor ayam 2 kg 100 g. Berapakah beza jisim kedua-dua haiwan itu?
鸭和鸡相差多少 = beza jisim itik dan ayam
3 kg 25 g − 2 kg 100 g。25 < 100,借 1 kg:3 变 2,克 1 025 − 100 = 925;公斤 2 − 2 = 0。相差 925 g,不到 1 kg。
例子:2 kg 50 g − 1 kg 300 g = 750 g。
注意:1 kg 75 g 是用 100 − 25 倒着减;公斤是 0 时只写克。
difference between the duck and the chicken = beza jisim itik dan ayam
3 kg 25 g − 2 kg 100 g. 25 is less than 100, so borrow 1 kg: 3 becomes 2 and the grams give 1 025 − 100 = 925; kilograms 2 − 2 = 0. The difference is 925 g, less than 1 kg.
Example: 2 kg 50 g − 1 kg 300 g = 750 g.
Watch out: 1 kg 75 g does 100 − 25 backwards; when the kilograms come to 0, write only the grams.
Ibu ada 10 kg beras. Ibu menggunakan 3 kg 450 g. Berapakah jisim beras yang tinggal?
剩下多少 = berapa yang tinggal
用掉了就用减法:10 kg − 3 kg 450 g。克栏 0 不够减,借 1 kg:10 变 9,1 000 − 450 = 550;公斤 9 − 3 = 6。还剩 6 kg 550 g。
例子:5 kg 面粉用了 1 kg 200 g,剩 3 kg 800 g。
注意:7 kg 550 g 借了位却没把 10 改成 9。
how much is left = berapa yang tinggal
Using some up means subtracting: 10 kg − 3 kg 450 g. The gram column 0 is too small, so borrow 1 kg: 10 becomes 9 and 1 000 − 450 = 550; kilograms 9 − 3 = 6. There are 6 kg 550 g left.
Example: 5 kg of flour with 1 kg 200 g used leaves 3 kg 800 g.
Watch out: 7 kg 550 g borrows but does not change 10 to 9.
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