32+5*12-3*2 mủ 3
2 mủ 4-50:25+13,72 mủ
4*x -3 mủ 2*x=145-255:54
{5 mủ 15+15 mủ 5}*{10 mủ 2+7 mủ 10}*{2 mủ 4-4 mủ 2
32+5*12-3*2 mủ 3
2 mủ 4-50:25+13,72 mủ
4*x -3 mủ 2*x=145-255:54
{5 mủ 15+15 mủ 5}*{10 mủ 2+7 mủ 10}*{2 mủ 4-4 mủ 2
A_ 32 + 5.12 – 3.2$^{3}$
= 32 + 60 – 12
= 80
B_ $2^{4}$ – 50 ÷ 25 + 13,72$^{4.x}$ – 3$^{2.x}$ = 145 – 225 ÷ 54
= 24 – 2 + (13,72$^{2.x}$ + 13,72$^{2.x}$ ) – 3$^{2.x}$ = $\frac{845}{6}$
= 22 + ( 13,72 + 13,72 -3 )$^{2.x}$ = $\frac{845}{6}$
= 22 + $\frac{611}{25}$ = $\frac{845}{6}$