Question

Determinati termenul necunoscut:

a) 247+X=783
b) X+318=2.467
c) 735-X=517
d) X-482=267
e) 23.536-X=10.039
f) 4.357+X+937=6.251
g) 873-X=243
h) X-215=772
i) 7.815-X+737=3.511

Answer 1

Explicație pas cu pas:

a)247+x=783

x=783-246

x=536

v:247+536=783✔

b)x+318=2 467

x=2 467-318

x=2 149

v:2 149+318=2 467✔

c)735-×=517

x=735-517

x=218

v:735-218=517✔

d)x-482=267

x=267+482

x=749

v:749-482=267✔

e)23 536-×=10 039

x=23 536-10 039

x=13 497

v:23 536-13 497=10 039✔

f)4 357+x+937=6 251

4 357+×=6 261-937

4 357+×=5 314

x=5 314-4 357

x=957

v:4 357+957+937=5 314+937=6 251✔

g)873-×=243

x=873-243

x=630

v:873-630=243✔

h)x-215=772

x=772+215

x=987

v:987-215=772✔

i)7 815-×+737=3 511

7 815-×=3 511-737

7 815-×=2 774

x=7 815-2 774

x=5 041

v:7 815-5 041+737=2 774+737=3 511✔