Ufumbuzi - Kurudisha urefu
137.382
Maelezo kwa hatua
1. Andika tena nambari kutoka juu kwenda chini, zimepangwa kwa thamani zao za eneo
| Thamani ya mahali | mia | kumi | moja | . | kumi | mia | alfu |
| 9 | 3 | 7 | . | 3 | 8 | 2 | |
| - | 8 | 0 | 0 | ||||
| . |
Weka sifuri katika mahali pa idadi tupu:
| Thamani ya mahali | mia | kumi | moja | . | kumi | mia | alfu |
| 9 | 3 | 7 | . | 3 | 8 | 2 | |
| - | 8 | 0 | 0 | . | 0 | 0 | 0 |
| . |
2. Toa nambari kwa kutumia njia ndefu ya kutoa
Toa nambari kwenye safu ya alfu kutoka kwa namba juu:
2-0=2
| Thamani ya mahali | mia | kumi | moja | . | kumi | mia | alfu |
| 9 | 3 | 7 | . | 3 | 8 | 2 | |
| - | 8 | 0 | 0 | . | 0 | 0 | 0 |
| . | 2 |
Toa nambari kwenye safu ya mia kutoka kwa namba juu:
8-0=8
| Thamani ya mahali | mia | kumi | moja | . | kumi | mia | alfu |
| 9 | 3 | 7 | . | 3 | 8 | 2 | |
| - | 8 | 0 | 0 | . | 0 | 0 | 0 |
| . | 8 | 2 |
Toa nambari kwenye safu ya kumi kutoka kwa namba juu:
3-0=3
| Thamani ya mahali | mia | kumi | moja | . | kumi | mia | alfu |
| 9 | 3 | 7 | . | 3 | 8 | 2 | |
| - | 8 | 0 | 0 | . | 0 | 0 | 0 |
| . | 3 | 8 | 2 |
Toa nambari kwenye safu ya moja kutoka kwa namba juu:
7-0=7
| Thamani ya mahali | mia | kumi | moja | . | kumi | mia | alfu |
| 9 | 3 | 7 | . | 3 | 8 | 2 | |
| - | 8 | 0 | 0 | . | 0 | 0 | 0 |
| 7 | . | 3 | 8 | 2 |
Toa nambari kwenye safu ya kumi kutoka kwa namba juu:
3-0=3
| Thamani ya mahali | mia | kumi | moja | . | kumi | mia | alfu |
| 9 | 3 | 7 | . | 3 | 8 | 2 | |
| - | 8 | 0 | 0 | . | 0 | 0 | 0 |
| 3 | 7 | . | 3 | 8 | 2 |
Toa nambari kwenye safu ya mia kutoka kwa namba juu:
9-8=1
| Thamani ya mahali | mia | kumi | moja | . | kumi | mia | alfu |
| 9 | 3 | 7 | . | 3 | 8 | 2 | |
| - | 8 | 0 | 0 | . | 0 | 0 | 0 |
| 1 | 3 | 7 | . | 3 | 8 | 2 |
Jibu ni: 137.382
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