Question

Care este marimea întregului daca : a) 2/3 reprezinta 108,b) 5/10 reprezinta 115,c) 9/7 reprezinta 306

Answer 1

2/3=108 ... 1/3=108:2 ... 1/3=54 3/3=54×3 3/3=162 si 5/10=115 .. 1/10=115:5 .. 1/10=23 .. 10/10=23×10 .. 10/10=230 sii 9/7=306 7/7este intregul ..1/7=306:9 .. 1/7=34 .. 7/7=34×7 ... 7/7=338