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Se dă x+y=575.
Z=6
T=8
X=297
--------------------------
A.)(X+Y)×z=?
B.)X+T×Y=?
C.)T×Y-878=?
D.)Z×Y-X=?
E.)X×Z+Y×3=?
F.)7×4+X×5=?

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Răspuns :

y=575-x=575-297=278
A)(x+y)*z=575*6=3450
B)x+t*y=297+8*278==297+2224=2521
C)t*y-878=8*278-878=2224-878=1346
D)z*y-x=6*278-297=1668-297=1371
E)x*z+y*3=297*6+278*3=1782+834=2616
F)7*4+x*5=28+297*5=28+1485=1513
a)(x+y)*z=
575x6=3450

b)
y=575-297=278
x+txy=279x8
278x8*279=
278+2232=2510

c)t*y-878=
8*278-878=
2224-878=1346

d)z*y-x=
6*278-297=
1668-297=1371

e)x*z+yx3=
297x6+287x3=
1782+861=2643

f)7*4+x*5=
28+297x5=
28+1485=1513