Ufumbuzi - Kurudisha urefu
8.679
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 |
| 1 | 0 | 0 | |||||
| - | 9 | 1 | . | 3 | 2 | 1 | |
| . |
Weka sifuri katika mahali pa idadi tupu:
| Thamani ya mahali | mia | kumi | moja | . | kumi | mia | alfu |
| 1 | 0 | 0 | . | 0 | 0 | 0 | |
| - | 9 | 1 | . | 3 | 2 | 1 | |
| . |
2. Toa nambari kwa kutumia njia ndefu ya kutoa
Kwa sababu tarakimu ya juu (0) katika safu ya alfu ni ndogo sana kupata tofauti chanya, kukopa 1 kutoka kwa idadi ya kushoto (100.00) ambayo inakuwa (099.99) na kupata (10).
| Thamani ya mahali | mia | kumi | moja | . | kumi | mia | alfu |
| 0 | 9 | 9 | 9 | 9 | 10 | ||
| 1 | 0 | 0 | . | 0 | 0 | 0 | |
| - | 9 | 1 | . | 3 | 2 | 1 | |
| . |
Toa nambari kwenye safu ya alfu kutoka kwa namba juu:
10-0-1=9
| Thamani ya mahali | mia | kumi | moja | . | kumi | mia | alfu |
| 0 | 9 | 9 | 9 | 9 | 10 | ||
| 1 | 0 | 0 | . | 0 | 0 | 0 | |
| - | 9 | 1 | . | 3 | 2 | 1 | |
| . | 9 |
Toa nambari kwenye safu ya mia kutoka kwa namba juu:
9-2=7
| Thamani ya mahali | mia | kumi | moja | . | kumi | mia | alfu |
| 0 | 9 | 9 | 9 | 9 | 10 | ||
| 1 | 0 | 0 | . | 0 | 0 | 0 | |
| - | 9 | 1 | . | 3 | 2 | 1 | |
| . | 7 | 9 |
Toa nambari kwenye safu ya kumi kutoka kwa namba juu:
9-3=6
| Thamani ya mahali | mia | kumi | moja | . | kumi | mia | alfu |
| 0 | 9 | 9 | 9 | 9 | 10 | ||
| 1 | 0 | 0 | . | 0 | 0 | 0 | |
| - | 9 | 1 | . | 3 | 2 | 1 | |
| . | 6 | 7 | 9 |
Toa nambari kwenye safu ya moja kutoka kwa namba juu:
9-1=8
| Thamani ya mahali | mia | kumi | moja | . | kumi | mia | alfu |
| 0 | 9 | 9 | 9 | 9 | 10 | ||
| 1 | 0 | 0 | . | 0 | 0 | 0 | |
| - | 9 | 1 | . | 3 | 2 | 1 | |
| 8 | . | 6 | 7 | 9 |
Toa nambari kwenye safu ya kumi kutoka kwa namba juu:
9-9=0
| Thamani ya mahali | mia | kumi | moja | . | kumi | mia | alfu |
| 0 | 9 | 9 | 9 | 9 | 10 | ||
| 1 | 0 | 0 | . | 0 | 0 | 0 | |
| - | 9 | 1 | . | 3 | 2 | 1 | |
| 0 | 8 | . | 6 | 7 | 9 |
Andika 0 kwenye eneo la mia.
| Thamani ya mahali | mia | kumi | moja | . | kumi | mia | alfu |
| 0 | 9 | 9 | 9 | 9 | 10 | ||
| 1 | 0 | 0 | . | 0 | 0 | 0 | |
| - | 9 | 1 | . | 3 | 2 | 1 | |
| 0 | 0 | 8 | . | 6 | 7 | 9 |
Jibu ni: 8.679
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