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Coojocarunicole
a fost răspuns

Afla numerele necunoscute:a)23600+x=50000 +300
b)x+3809-1070=8500
c)2038+5655-x=2836
d)1685+6856=x+3240+2761

Răspuns :

a)23600+x=50000 +300
23600+x= 50300
x=26700

b) x+3809-1070=8500
 x+2739 = 8500
x=8500-2739
x= 5761

c)2038+5655-x=2836
7693-x= 2836
x= 4857

d)1685+6856=x+3240+2761
8541=x+6001
x= 2540