a) $\sqrt{1 + 3 + 5}$ = $\sqrt{9}$ = 3
b)$\sqrt{100 + 17 + 4}$= $\sqrt{121}$ = 11
c)$ \sqrt{78 + 11 + 41 +194}$ = $\sqrt{324}$ = 18
Bài 7: Tính:
a) $\sqrt{1 + 3 + 5}$
b)$\sqrt{100 + 17 + 4}$
c)$ \sqrt{78 + 11 + 41 +194}$
a) $\sqrt{1 + 3 + 5}$ = $\sqrt{9}$ = 3
b)$\sqrt{100 + 17 + 4}$= $\sqrt{121}$ = 11
c)$ \sqrt{78 + 11 + 41 +194}$ = $\sqrt{324}$ = 18