1.√36×√81=..... 2.√144+√25-√121=.... 3.√15×15×9 pangkat 2-√6 pangkat 2=.... 4.√49+√100-√169=...(pakai cara ya teman.

1. √36×√81 = 6×9 = 54
2. √144+√25-√121 = 12+5-11 = 17-11 = 6
3. √15×15×9² = √15×15×81-√6² = √18225-√36 = 135-6 = 129
4. √49+√100-√169 = 7+10-13 = 17-13 = 4