Question

alfa numărul necunoscute. a+560=7800 b+2340=5687 c-2315=1324 d-345=1 1300 4500+e=6800 325+f=330 6500-g=2300 8794-h=4326

Answer 1

a+560=7800
a=7800-560
a=7240

b+2340=5687
b=5687-2340
b=3347

c-2315=1324
c=1324+2315
c=3639

d-345=11300
d=11300+345
d=11645

4500+e=6800
e=6800-4500
e=2300

325+f=330
f=330-325
f=5

6500-g=2300
g=6500-2300
g=4200

8794-h=4326
h=8794-4326
h=4468

Answer 2

a+560=7800 a=7800-560 a=7240 b+2340=5687 b=5687-2340 b=3347 c-2315=1324 c=1324+2315 c=3639 d-345=11300 d=11300+345 d=11645 4500+e=6800 e=6800-4500 e=2300 325+f=330 f=330-325 f=5 6500-g=2300 g=6500-2300 g=4200 8794-h=4326 h=8794-4326 h=4468