Question

paranteza patrata 6 * (12 : a + 56 ) : 3 -18 închide paranteza patr. * 7 +78 = 792


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Answer 1

Răspuns:

Explicație pas cu pas:

[6*(12:a+56):3-18]*7=792-78

[6*(12:a+56):3-18]*7=714

[6*(12:a+56):3-18]=714:7

6*(12:a+56):3-18=102

6*(12:a+56):3=102+18

6*(12:a+56):3=120

6*(12:a+56)=120*3

6(12:a+56)=360

12:a+56=360:6

12:a+56=60

12:a=60-56

12:a=4

a=12:4

a=3