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a fost răspuns

Determinati valoarea lui a din:

546+127-96:3+73×2-(62:a+24:2)-5×11=689
Va rog,raspundeti-mi imediat!

Răspuns :

Damian2604
546+127 - 32+ 146 - ( 62 / a + 12) - 55 = 689
96/3=32
73 x 2=146
24/2=12
5 x 11=55
673-178 -(62/a +12) -55 = 689
595 -(62/a +12)-55=689
546+127=673
32+146=178
673-178=595
595 -(62/a +12)=689+55
595 - (62/a +12) = 744
(62/a +12)=744+595
(62/a +12)=1339
 62/a + 12 =1339
62/a = 1339+12
62/a=1351
a= 1351/62