Question
ज्ञात कीजिए : $3.97 \div 10$
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$45^{\circ}, 45^{\circ}$
$2 a^2 b+2 a b^2+a b$
1 किग्रा का $75 \%$
$a^2+a b+b^2$
$130^{\circ}, 50^{\circ}$

$2 \times 2 \times a \times a$