Răspuns :
Răspuns:
Explicație pas cu pas:
a × 5×2 × a = a × a × a a=5×2=10
a × b × 7 × 8 × a = a × a × a × b a=7x8=56
Răspuns:
Explicație pas cu pas:
a × 5×2 × a = a × a × a
a × 10 × a = a × a × a
a = 10
______________
a × b × 7 × 8 × a = a × a × a × b
a × b × 56 × a = a × a × a × b
a = 56