Question

oblicz plis
5,4:6/7
1,12:2/5
1i2/5:0,2
5/8:0,05
2,3:3/8
1i1/8:0,3

Answer 1

A) 5,4: 6/7= 5 i 4/10: 6/7= 54/10 * 7/6= 63/10= 6 i 3/10
b) 1,12: 2/5= 1 i 12/100: 2/5= 112/100 * 5/2= 56/20= 2 i 16/20
c) 1 i 2/5: 0,2= 7/5: 0,2= 7/5: 2/10= 7/5 * 10/2= 14/2= 7
d) 5/8: 0,005= 5/8: 5/100= 5/8 * 100/5= 25/2= 12 i 1/2
e) 2,3: 3/8= 2 i 3/10: 3/8= 23/10 * 8/3= 92/15= 6 i 5/15
f) 1 i 1/8: 0,3= 9/8: 3/10= 9/8: 10/3= 15/4= 3 i 3/4

Mam nadzieje że pomogłam.