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7243-×=5121
a-1726 =3452
b-6214 =9567
4271 +×=5315
Am nevoiee urgent cine ma poate ajuta ?


Răspuns :

Ex.1
7243-5121=x
2122=x
Ex.2
a=3452+1726
a=5178
Ex.3
x=5315-4271
x=1044
x=7,243-5,121
x=2,122
a=3,452+6,214
a=9,666
b=9,567+6,214
b=15,781
x=5,315-4,271
x=1,044     
           
         Succes in continuare