Răspuns
a=423, b=140
Explicație pas cu pas:
(a+19)*b=77080, ab+19b= 77080, 59220 + 19b=77080,
19b=77080-59220, 19b=17860, b=17860:19= 140
a*b=59220, deci a*140=59220, de unde a=59220:140=423
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Răspuns
a=423, b=140
Explicație pas cu pas:
(a+19)*b=77080, ab+19b= 77080, 59220 + 19b=77080,
19b=77080-59220, 19b=17860, b=17860:19= 140
a*b=59220, deci a*140=59220, de unde a=59220:140=423