Question

Matma.zad.15,16...plisss na jutro

Answer 1

Zadanie 15
a) 3,6 + 2/3 = 3 6/10 + 2/3 = 3 18/30 + 20/30 = 3 38/30 = 4 8/30= 4 4/15
b) 4 1/8 - 1,11 = 4,125 - 1,11= 3,015
c) 2,75 + 2/7 = 2 3/4 + 2/7 = 2 21/28 + 8/28= 2 29/28 = 3 1/28
d) 0,125 - 1/9= 1/8 - 1/9 = 9/72 - 8/72 = 1/72
e) 3 1/3 - 3,3= 3 1/3 - 3 3/10= 3 10/30 - 3 9/30= 1/30
f) 1 1/5 - 0,09= 1,2 - 0,09= 1,11

zadanie 16
a) 2/5 + 2/25=12/25
1- 12/25= 13/25
b) 0,59 + 1/5 + 3/50 = 85/100
1- 85/100== 15/100