Question

123:8=calculati
97:40 calculati
1,2(13)= 0,(81)=Transformati cele 2 fractii zecimaleperiodice in fractii
ordinare
Calculati
(0,1 ori 9+1 ):0,03 (5,2 ori 7,5-3.2ori 7,5):0,3


[4, (1) ori 0,9-1,(6) ori 1,5]:0,04

Answer 1

97:40=2.425
1.2(13)=(1213-12)/990⇒1201/990
0.(81)=81/99⇒9/11
1.9:0.03⇒63.(3)
(39-24):0.3⇒15:0.3⇒50
41/9x(9/10-16/9):4/100⇒41/9x[(81-160)/100]:4/100⇒