Question

Calculati:{102+[25×4-(3×23+3×10)]×102}÷2=​

Answer 1

$102+\left\{\left[25\times \:4-\left(3\times \:23+3\times \:10\right)\right]\times \:102\right\}\div \:2 =$

$25\times \:4-\left(3\times \:23+3\times \:10\right) =25\times \:4-99 =100-99 = 1$

$=102+1\times \:102\div \:2$

$=102+51 =153$

Sper că te-am ajutat!

Succes!