Question

a). 1,(3)+0,75=?
b).1,25+2,(6)=?
c).0,8(3)+1,2=?
d).3,5+0,2(7)​=?

Answer 1

Răspuns:

a.)12/9 +75/100= 4/3 + 15/20= 4/3 + 3/4= 16/12+9/12= 25/12

b.)1,25+2,(6)=125/100+24/9=25/20+8/3=5/4+8/3=15/12+32/12=47/12

c.)0,8(3)+1,2=75/90+12/10=25/30+6/5=5/6+6/5=25/30+36/30=61/30

d.)3,5+0,2(7)=35/10+25/90=7/2+5/18= 63/18+5/18=68/18=34/9