Răspuns :
d×6=294
d=294:6
d=49
c:4=49
c=49×4
c=196
b+29=196
b=196-29
b=167
a-304=167
a=167+304
a=471
d=294:6
d=49
c:4=49
c=49×4
c=196
b+29=196
b=196-29
b=167
a-304=167
a=167+304
a=471
a-304= b
b+29= c
c:4=d
d x 6 =294
_________
a=? ,b=? , c=? , d=?
d x 6 = 294
d= 294: 6
d= 49
c:4= 49
c = 4 x 49
c = 196
b+29=196
b=196-29
b= 167
a-304 = 167
a= 304 + 167
a= 471
b+29= c
c:4=d
d x 6 =294
_________
a=? ,b=? , c=? , d=?
d x 6 = 294
d= 294: 6
d= 49
c:4= 49
c = 4 x 49
c = 196
b+29=196
b=196-29
b= 167
a-304 = 167
a= 304 + 167
a= 471