Question

Pomocy nie mam czasu na zrobienie tego

Answer 1

A) 0,2 + 3/4 =1/5 +3/4 = 4/20 + 15/20 =19/20
b) 1/3 - 0.,1 = 1/3 - 1/10 =10/30-3/30=7/30
c)1/2 + 0. 308 = 1/2 + 308/100 = 1/2 + 154/500 = 250/500 +154/500 = 404/500 =101/125 
d) 2.71 -2/5 =2 71/100 - 2/5 =271/100 - 40/400 = 311/100 =3  11/100
e) 1/4*0,3=1/4*3/10=3/40f) 2/5*0,3=1/5*3/5=3/25
g) 1  3/4:0,1=7/4:5/2=7/2*5/1=35/2=17  1/2
h) 0.6:3/4 = 2/5*2/1 = 4/5