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VA rog :3√2 + √8 -2√18 + 5√32 -3√50.aratimi si etapele

Răspuns :

√8=2√2
√18=3√2
√32=4√2
√50=5√2
3√2+2√2-2(3√2)+5(4√2)-3(5√2)=3√2+2√2-6√2+20√2-15√2=4√2