Question

[21-(17•6-816:8)•3]:7=

Answer 1

Răspuns:

3

Explicație pas cu pas:

[21-(17×6-816:8)×3]:7=

[21-(102-102)×3]:7=

(21-0×3):7=

(21-0):7=

21:7=

3

Answer 2

$\left[21-\left(17\cdot \:6-816\div \:8\right)\cdot \:3\right]\div \:7$

$21-\left(17\cdot \:6-816\div \:8\right)\cdot \:3$

$17\cdot \:6-816\div \:8 =102-816\div \:8 =102-102 =0$

$=21-0\cdot \:3$

$=21-0$

$=21\div \:7 = 3$

Sper că te-am ajutat!

Succes!