Question

3.(4)^2+4.(3)^2
me ajudem, por favoorr​

Answer 1

Resposta:

$3\left(4\right)^2+4\left(3\right)^2\\\\\left(4\right)^2\\\\\left(4\right)^2=16\\\\=3\cdot \:16+4\left(3\right)^2\\\\\left(3\right)^2\\\\\left(3\right)^2=9\\\\=3\cdot \:16+4\cdot \:9\\\\3\cdot \:16\\\\3\cdot \:16=48\\\\=48+4\cdot \:9\\\\4\cdot \:9\\\\4\cdot \:9=36\\\\=48+36\\\\=84$

Answer 2

Resposta:

16.3 + 36

48 + 36=

84

espero ter ajudado.