Question

539 - (1 78 + 257 -36 : 3 x5)-27​

Answer 1

Răspuns: $\green{\mathrm{137}}$

Explicație pas cu pas:

$\mathrm{539 - \big(1 78 + 257 -36 : 3 \cdot5\big)-27=}$

$\mathrm{539 - \big(1 78 + 257 -\underline{12 \cdot5}\big)-27=}$

$\mathrm{539 - \big(1 78 + 257 -60\big)-27=}$

$\mathrm{539 - \big(435 -60\big)-27=}$

$\mathrm{539 -375-27=}$

$\mathrm{164-27=\boxed{\green{\mathrm{137}}}}$