1. Find multiplication of `(657)_8` and `(5)_8`
Solution:
Hints : (Move mouse over the steps for detail calculation highlight)
Step-1 : `657×5=?`
`1. 5×7=43.``:.` put down `3` and carry `4`
`2. 5×5+4=31+4=35.``:.` put down `5` and carry `3`
`3. 5×6+3=36+3=41.``:.` put down `1` and carry `4` | |
Answer = 4153
2. Find multiplication of `(323)_8` and `(53)_8`
Solution:
| | 2 | 1 | 1 | |
| | 1 | | 1 | |
| | | 3 | 2 | 3 |
| | | × | 5 | 3 |
|
| | 1 | 1 | 7 | 1 |
| 2 | 0 | 3 | 7 | 0 |
|
| 2 | 1 | 5 | 6 | 1 |
Hints : (Move mouse over the steps for detail calculation highlight)
Step-1 : `323×3=?`
`1. 3×3=11.``:.` put down `1` and carry `1`
`2. 3×2+1=6+1=7.``:.` put down `7`
`3. 3×3=11.``:.` put down `1` and carry `1` | Step-2 : `323×5=?`
`1. 5×3=17.``:.` put down `7` and carry `1`
`2. 5×2+1=12+1=13.``:.` put down `3` and carry `1`
`3. 5×3+1=17+1=20.``:.` put down `0` and carry `2` |
Answer = 21561
3. Find multiplication of `(647)_8` and `(201)_8`
Solution:
| | | 1 | 1 | 1 | |
| | | | | | |
| | | | | | |
| | | | 6 | 4 | 7 |
| | | × | 2 | 0 | 1 |
|
| | | | 6 | 4 | 7 |
| 1 | 5 | 1 | 6 | 0 | 0 |
|
| 1 | 5 | 2 | 4 | 4 | 7 |
Hints : (Move mouse over the steps for detail calculation highlight)
Step-1 : `647×1=?`
`1. 1×7=7.``:.` put down `7`
`2. 1×4=4.``:.` put down `4`
`3. 1×6=6.``:.` put down `6` | Step-2 : `647×0=?`
`1. 0×7=0.``:.` put down `0`
`2. 0×4=0.``:.` put down `0`
`3. 0×6=0.``:.` put down `0` |
Step-3 : `647×2=?`
`1. 2×7=16.``:.` put down `6` and carry `1`
`2. 2×4+1=10+1=11.``:.` put down `1` and carry `1`
`3. 2×6+1=14+1=15.``:.` put down `5` and carry `1` | |
Answer = 152447
This material is intended as a summary. Use your textbook for detail explanation.
Any bug, improvement, feedback then
