Question

12×[(5×a-6):7+23]:4-15+3=63 va rog repede rezolvare​

Answer 1

Răspuns:

Explicație pas cu pas:

12×[(5×a-6):7+23]:4-15+3=63

12×[(5×a-6):7+23]:4-15 = 63 - 3 = 60

12×[(5×a-6):7+23]:4 = 60 + 15 = 75

12×[(5×a-6):7+23] = 75×4 = 300

(5×a-6):7+23 = 300 : 12 = 25

(5×a-6):7 = 25 - 23 = 2

5×a-6 = 2×7 = 14

5×a = 14 + 6 = 20

a = 20 : 5 = 4