Question

2×{3×3×11÷[2×2+(1×3-x)×2+1]}-18=0​

Answer 1

pai numerotam operatiile in ordinea pe care le as efectua daca as sti cat e X

Simplificăm:2×{3×3×11÷........

Si avem:

2÷{99:[4+(3-X)×2+1]}-18=0

?-18=0,?=18

2×?=18,?=9

99:?=9,?=11

?+1=11,?=10

4+?=10,?=6

?×2=6,?=3

3-X=3

X=0