16/5+10/4
36×100÷136
31/+2
by\:mathematical\:induction\:show\:that\:the\:following\:is\:true\:for\:nEz\:7+77+777............7n\:times=\frac{77}{81}\left(10^{...
$2^{x}$ + $6^{x}$ = $10^{x}$
−4 × 8 ÷ (−2) − 2 $a^{b}$ 3
fi
derivative of
3x^2
42/3+81/3=? -31/3