7 и √48=√49>√48; 2√3 и 3√2=√12 < √18
3√8+√2-3√18=3√4*2+√2-√9*2=6√2+√2-3√2=3√2
(√5-√2)²= √5^2-√2^2=5-2=3
(2-√3)(2+√3)=4-2√3+2√3-√9=4-3=1
√8а³=√4a^2*2a=2a√2a
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7 и √48=√49>√48; 2√3 и 3√2=√12 < √18
3√8+√2-3√18=3√4*2+√2-√9*2=6√2+√2-3√2=3√2
(√5-√2)²= √5^2-√2^2=5-2=3
(2-√3)(2+√3)=4-2√3+2√3-√9=4-3=1
√8а³=√4a^2*2a=2a√2a