Ufumbuzi - Kurudisha urefu
0.83
Maelezo kwa hatua
1. Andika tena nambari kutoka juu kwenda chini, zimepangwa kwa thamani zao za eneo
| Thamani ya mahali | kumi | moja | . | kumi | mia |
| 1 | 0 | ||||
| 1 | |||||
| - | 8 | . | 1 | 7 | |
| . |
Weka sifuri katika mahali pa idadi tupu:
| Thamani ya mahali | kumi | moja | . | kumi | mia |
| 1 | 0 | . | 0 | 0 | |
| 1 | . | 0 | 0 | ||
| - | 8 | . | 1 | 7 | |
| . |
2. Toa nambari kwa kutumia njia ndefu ya kutoa
Kwa sababu tarakimu ya juu (0) katika safu ya mia ni ndogo sana kupata tofauti chanya, kukopa 1 kutoka kwa idadi ya kushoto (10.0) ambayo inakuwa (09.9) na kupata (10).
| Thamani ya mahali | kumi | moja | . | kumi | mia |
| 0 | 9 | 9 | 10 | ||
| 1 | 0 | . | 0 | 0 | |
| 1 | . | 0 | 0 | ||
| - | 8 | . | 1 | 7 | |
| . |
Toa nambari kwenye safu ya mia kutoka kwa namba juu:
10-0-0-7=3
| Thamani ya mahali | kumi | moja | . | kumi | mia |
| 0 | 9 | 9 | 10 | ||
| 1 | 0 | . | 0 | 0 | |
| 1 | . | 0 | 0 | ||
| - | 8 | . | 1 | 7 | |
| . | 3 |
Toa nambari kwenye safu ya kumi kutoka kwa namba juu:
9-0-1=8
| Thamani ya mahali | kumi | moja | . | kumi | mia |
| 0 | 9 | 9 | 10 | ||
| 1 | 0 | . | 0 | 0 | |
| 1 | . | 0 | 0 | ||
| - | 8 | . | 1 | 7 | |
| . | 8 | 3 |
Toa nambari kwenye safu ya moja kutoka kwa namba juu:
9-1-8=0
| Thamani ya mahali | kumi | moja | . | kumi | mia |
| 0 | 9 | 9 | 10 | ||
| 1 | 0 | . | 0 | 0 | |
| 1 | . | 0 | 0 | ||
| - | 8 | . | 1 | 7 | |
| 0 | . | 8 | 3 |
Andika 0 kwenye eneo la kumi.
| Thamani ya mahali | kumi | moja | . | kumi | mia |
| 0 | 9 | 9 | 10 | ||
| 1 | 0 | . | 0 | 0 | |
| 1 | . | 0 | 0 | ||
| - | 8 | . | 1 | 7 | |
| 0 | 0 | . | 8 | 3 |
Jibu ni: 0.83
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