| 22−14√2 | (22−14√2)(3+2√2) | ||
= | dlaczego w tym wypadku ktos | ||
| 3−2√2 | (3−2√2)(3+2√2) |
| 6 − 3√5 | −3(−2 + √5) | −2 + √5 | ||||
zadanie z książki ...= | = | = | dlaczego przy | |||
| −9 | −9 | 3 |
| (log3−log12)−2 | log3−2−log12−2 | log132−log22 | |||
= | = | = | |||
| 3 | 3 | 3 |
| log19−log4 | log(19:4) | log(19*14) | ||||
= | = | =log | ||||
| 3 | 3 | 3 |
| 1 | 1 | 1 | 1 | |||||
:3=log | * | =log | ||||||
| 36 | 36 | 3 | 108 |
| (log3−log 12)−2 | |
= | |
| 3 |