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Scrie rezolvarile complete:

1.Stiind ca m+n=1518,iar p=m+n-329,atunci m+n+p=?
2.Afla termenul necunoscut:(b+3127)-2789=5146
3.Daca dintr-un numar x scad,pe rand,327,apoi 1218 , obtin 3507.Afla numarul x


Răspuns :

P=1518-329
P=1187
m+n+p=1518+1187
m+n+p=2705
2.(b+3127)-2789=5146
b+3127=5146+2789
b+3127=7935
b=7935-3127
b=4808

3.(x-327)-1218=3507
x-327=3507+1218
x-327=4725
x=4725+327
x=5052