👤

m:2+(123×3-53×4)=257

Răspuns :

m:2+123×3-53×4=257
m:2+369-212=257
m:2+157=257
m:2=257-157
m:2=100
m=100×2
m=200
m:2 + ( 123 × 3 - 53 × 4 ) =257
m :2 + ( 369 -212 )= 257
m :2 + 157 =257
m:2 = 257 -157
m :2 = 100
m=100 ×2
m=200