Question

Află numărul necunoscut, folosind metoda mersului invers :
e+2300+1000-810=550 f-1500+980-514=1670 g+6000-369-11000=44 ​

Answer 1

Răspuns:

e+2300+1000-815=550

e+2300+1000=550+825

e+2300+1000=1365

e+2300=1365-1000

e+2300=365

e=365-2300

e= -1935

f-1500+980-514=1670

f-1500+980=1670+514

f-1500+980=2184

f-1500=2184-980

f-1500=1204

f=1204+1500

f=2704

g+6000-369-11000=44

g+6000-369 =44+11000

g+6000-369=11044

g+6000=11044+369

g+6000=11413

g=11413-6000

g=5413