Question

Află numerele necunoscute. a. 9 315 + x = 10 987 x + 389 = 9 781 b. x - 3197 = 5 142 x - 8917 = 14 320 c. 9 820 - X - 1874 5 002-X = 2153 dau coronita​

Answer 1

Răspuns:

9315+x=10987

x=10987-9315

x=1672

x+389=9781

x=9781-389

x=9392

x-3197=5142

x=5142+3197

x=8339

x-8917=14320

x=14320+8917

X=23237

9820-x=1874

x=9820-1874

x=7946

5002-x=2153

x=5002-2153

x=2849