Question

calculati 0, 6 + 2/3
0,25+7/30
7,05-1/60
0,12×5/6
0,001:(2+1/25)
URGENT ​

Answer 1

1)0,6+2/3=6/10+2/3=18+20/30=38/30

2)0,25+7/30=25/100+7/30=125+70/300=195/300=39/60=13/20

3)7,05-1/60=705/100-1/60=2115-5/300=2110/300=211/30

4)0,12x5/6=12/100x5/6=2/20=1/10 (se impart numitorii cu numaratorii)

5)0,001:(2+1/25)=1/1000:(50+1/25)=1/1000:51/25=1/1000x25/51=1/40x51=1/2040