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angel11042
@angel11042
October 2021
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382 383 пожалуйста.......
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05101965nalsur
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382)(а-в)²=а²-2ав+в²).....а²-10ав+25в²=(а-5в)²; (а+в)²=а²+2ав+в²...25+10х+х²=(5+х)²; к+2к+1=(к+1)²; р²-1,6р+0,64=(р-0,8)² 383)а²+4а+х,(а+2)²,х=4;...р²-0,5р+х,(р-0,25)², х=0,0625; ...36а²-х+49в²,(6а-7в)²,х=84ав; ....а²-6ав+х,(а-3в)²,х=9в²
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382)(а-в)²=а²-2ав+в²).....а²-10ав+25в²=(а-5в)²; (а+в)²=а²+2ав+в²...25+10х+х²=(5+х)²; к+2к+1=(к+1)²; р²-1,6р+0,64=(р-0,8)² 383)а²+4а+х,(а+2)²,х=4;...р²-0,5р+х,(р-0,25)², х=0,0625; ...36а²-х+49в²,(6а-7в)²,х=84ав; ....а²-6ав+х,(а-3в)²,х=9в²