Question

me ajudem por favor agradeço muiito

Answer 1

a) $\sqrt{49} -\sqrt{25} =7-5=2$

b) $\sqrt{25} -\sqrt{16}=5-4=1$

c) $\sqrt{100} -\sqrt{36}=10-6=4$

d) $\sqrt{4} -\sqrt{1} =2-1=1$

e) $\sqrt{81} +\sqrt{9}=9+3=12$

f) $\sqrt{64} +\sqrt{25}=8+5=13$

g) $\sqrt{121} +\sqrt{36}=11+6=17$

h) $\sqrt{169} +\sqrt{64}=13+8=21$

i) $\sqrt{49} +\sqrt{100}=7+10=17$