Question

In trei lazi sunt 91kg mere.in prima si adoua sunt 62 kg mere,iar in a doua si a treia sunt 71kg mere.cate kg mere sunt in fiecare lada?rezolva problema in 3 moduri

Answer 1

Modul 1
A-prima lada
B-a 2 a lada
C-a3a lada
A+b+c=91 kg
A+b=62 kg
B+c=71 kg
62 kg+c=91 kg
C=91-62
C=29 kg
B+29 kg= 71 kg
B=71-29
B=42 kg
A+42=62
A=62-42
A=20 kg
Modul 2
A+b+c=91 kg
B+c=71 kg
A+71 kg=91 kg
A=91-71
A=20 kg
20+b=62 kg
B=62-20
B=42 kg
42kg+c=71 kg
C=71-42
C=29 kg
Modul 3:
A+b+c=91 kg
A+b=62 kg
B+c=71 kg
A+b+b+c=71+62= 133 kg
133-91=42 kg (A 2 a lada)
A+42=62
A=62-42
A=20 kg
42+c=71
C=71-42
C=29 kg