Question

6 + [15 - (8: a x7 + 7)] x 5 = 8: (1 x 4) + 3 x 3​

Answer 1

Răspuns:

6+[15-(8:a x 7+7)] x 5 = 8:(1 x 4)+3 x 3

6+[15-(8:a x 7+7)] x 5 = 8:4+9

6+[15-(8:a x7+7)] x 5 = 2+9

6+[15-(8:a x 7+7)] x 5 = 11

[15-(8:a x 7+7)] x 5 = 11-6

[15-(8:a x 7+7)] x 5 = 5

[15-(8:a x 7+7)] = 5:5

15-(8:a x 7+7) = 1

(8:a x 7+7) = 15-1

8:a x 7+7 = 14

8:a x 7 = 14-7

8:a x 7 =7

8:a =7:7

8:a =1 => a = 8                            ------R,a = 8-------

                                                   ----Spor la teme------

Explicație pas cu pas:

Succes!

Coroana?