Ufumbuzi - Kurudisha urefu
70999.915
Maelezo kwa hatua
1. Andika tena nambari kutoka juu kwenda chini, zimepangwa kwa thamani zao za eneo
| Thamani ya mahali | makumi ya maelfu | alfu | mia | kumi | moja | . | kumi | mia | alfu |
| 7 | 1 | 0 | 0 | 0 | |||||
| - | 0 | . | 0 | 8 | 5 | ||||
| . |
Weka sifuri katika mahali pa idadi tupu:
| Thamani ya mahali | makumi ya maelfu | alfu | mia | kumi | moja | . | kumi | mia | alfu |
| 7 | 1 | 0 | 0 | 0 | . | 0 | 0 | 0 | |
| - | 0 | . | 0 | 8 | 5 | ||||
| . |
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 (1000.00) ambayo inakuwa (0999.99) na kupata (10).
| Thamani ya mahali | makumi ya maelfu | alfu | mia | kumi | moja | . | kumi | mia | alfu |
| 0 | 9 | 9 | 9 | 9 | 9 | 10 | |||
| 7 | 1 | 0 | 0 | 0 | . | 0 | 0 | 0 | |
| - | 0 | . | 0 | 8 | 5 | ||||
| . |
Toa nambari kwenye safu ya alfu kutoka kwa namba juu:
10-0-5=5
| Thamani ya mahali | makumi ya maelfu | alfu | mia | kumi | moja | . | kumi | mia | alfu |
| 0 | 9 | 9 | 9 | 9 | 9 | 10 | |||
| 7 | 1 | 0 | 0 | 0 | . | 0 | 0 | 0 | |
| - | 0 | . | 0 | 8 | 5 | ||||
| . | 5 |
Toa nambari kwenye safu ya mia kutoka kwa namba juu:
9-8=1
| Thamani ya mahali | makumi ya maelfu | alfu | mia | kumi | moja | . | kumi | mia | alfu |
| 0 | 9 | 9 | 9 | 9 | 9 | 10 | |||
| 7 | 1 | 0 | 0 | 0 | . | 0 | 0 | 0 | |
| - | 0 | . | 0 | 8 | 5 | ||||
| . | 1 | 5 |
Toa nambari kwenye safu ya kumi kutoka kwa namba juu:
9-0=9
| Thamani ya mahali | makumi ya maelfu | alfu | mia | kumi | moja | . | kumi | mia | alfu |
| 0 | 9 | 9 | 9 | 9 | 9 | 10 | |||
| 7 | 1 | 0 | 0 | 0 | . | 0 | 0 | 0 | |
| - | 0 | . | 0 | 8 | 5 | ||||
| . | 9 | 1 | 5 |
Toa nambari kwenye safu ya moja kutoka kwa namba juu:
9-0=9
| Thamani ya mahali | makumi ya maelfu | alfu | mia | kumi | moja | . | kumi | mia | alfu |
| 0 | 9 | 9 | 9 | 9 | 9 | 10 | |||
| 7 | 1 | 0 | 0 | 0 | . | 0 | 0 | 0 | |
| - | 0 | . | 0 | 8 | 5 | ||||
| 9 | . | 9 | 1 | 5 |
Andika 9 kwenye eneo la kumi.
| Thamani ya mahali | makumi ya maelfu | alfu | mia | kumi | moja | . | kumi | mia | alfu |
| 0 | 9 | 9 | 9 | 9 | 9 | 10 | |||
| 7 | 1 | 0 | 0 | 0 | . | 0 | 0 | 0 | |
| - | 0 | . | 0 | 8 | 5 | ||||
| 9 | 9 | . | 9 | 1 | 5 |
Andika 9 kwenye eneo la mia.
| Thamani ya mahali | makumi ya maelfu | alfu | mia | kumi | moja | . | kumi | mia | alfu |
| 0 | 9 | 9 | 9 | 9 | 9 | 10 | |||
| 7 | 1 | 0 | 0 | 0 | . | 0 | 0 | 0 | |
| - | 0 | . | 0 | 8 | 5 | ||||
| 9 | 9 | 9 | . | 9 | 1 | 5 |
Andika 0 kwenye eneo la alfu.
| Thamani ya mahali | makumi ya maelfu | alfu | mia | kumi | moja | . | kumi | mia | alfu |
| 0 | 9 | 9 | 9 | 9 | 9 | 10 | |||
| 7 | 1 | 0 | 0 | 0 | . | 0 | 0 | 0 | |
| - | 0 | . | 0 | 8 | 5 | ||||
| 0 | 9 | 9 | 9 | . | 9 | 1 | 5 |
Andika 7 kwenye eneo la makumi ya maelfu.
| Thamani ya mahali | makumi ya maelfu | alfu | mia | kumi | moja | . | kumi | mia | alfu |
| 0 | 9 | 9 | 9 | 9 | 9 | 10 | |||
| 7 | 1 | 0 | 0 | 0 | . | 0 | 0 | 0 | |
| - | 0 | . | 0 | 8 | 5 | ||||
| 7 | 0 | 9 | 9 | 9 | . | 9 | 1 | 5 |
Jibu ni: 70999.915
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