Răspuns :
Răspuns:
a) 174/20-6.9=8.7-6.9=1.8
b) 25/63:5/7+9/5=25/63*7/5+9/5=5/9+9/5=25/45+81/45=106/45
c) 3.12-1.75+2.06=1.37+2.06=3.43
d) 0.625*1.32:0.25=2.5*1.32=3.3
e) 1.5+3.(4)-2.1(6)=15/10+31/9-195/90=135/90+310/90-195/90=250/90=25/9
Răspuns:
a) 174/20-6.9=8.7-6.9=1.8
b) 25/63:5/7+9/5=25/63*7/5+9/5=5/9+9/5=25/45+81/45=106/45
c) 3.12-1.75+2.06=1.37+2.06=3.43
d) 0.625*1.32:0.25=2.5*1.32=3.3
e) 1.5+3.(4)-2.1(6)=15/10+31/9-195/90=135/90+310/90-195/90=250/90=25/9