Salutare!
a × b = 5430
( a - 100 ) × b = 4430
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a = ? ; b = ?
ab - 100b = 4430
100b = ab - 4430
100b = 5430 - 4430
100b = 1000
b = 1000 : 100
b = 10
a × 10 = 5430
a = 5430 : 10
a = 543
543 × 10 = 5430
Mult succes la scoala si pe brainly!
#copaceibrainly