Надо решит 5 примеров 810 г,д,е и 812 в,г...

kadyrovazim0 @kadyrovazim0

July 2022 1 2 Report

Надо решит 5 примеров 810 г,д,е и 812 в,г

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gluhihannasergeevna

810

г)

$36 - 12a + {a}^{2} = {(a - 6)}^{2}$

д)

${p}^{2} + 36 - 12p = {(p - 6)}^{2}$

е)

$81 + {m}^{2} + 18m = {(m + 9)}^{2}$

812

в) m = - 3

$9 \times {( - 3)}^{2} - 6 \times ( - 3) + 1 = 9 \times 9 + 18 + 1 = 81 + 19 = 100$

m = 7

$9 \times {7}^{2} - 6 \times 7 + 1 = 9 \times 49 - 42 + 1 = 441 - 41 = 400$

m = 2/3

$9 \times {( \frac{2}{3}) }^{2} - 6 \times \frac{2}{3} + 1 = 9 \times \frac{4}{9} - 4 + 1 = 4 - 3 = 1$

г) с = 0,6

$40 \times 0.6 + 16 + 25 \times {0.6}^{2} = 24 + 16 + 25 \times {( \frac{3}{5}) }^{2} = 40 + 25 \times \frac{9}{25} = 40 + 9 = 49$

с = 1,2

$40 \times 1.2 + 16 + 25 \times {1.2}^{2} = 48 + 16 + 25 \times {( \frac{6}{5}) }^{2} = 64 + 25 \times \frac{36}{25} = 64 + 36 = 100$

с = - 1,2

$40 \times ( - 1.2) + 16 + 25 \times {( - 1.2)}^{2} = - 48 + 16 + 25 \times {( - \frac{6}{5} )}^{2} = - 32 + 25 \times \frac{36}{25} = - 32 + 36 = 4$

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