Question

Oblicz:
3* 2/3 =
15*11/15=
2 5/8* 4=
3/4*1/2=
16/21* 7/8=
3 3/5* 1 2/9=
2/3*7/21*9/16=
12:36=
8/9:2=
4:3/4=
10:1 1/2=
5/7:3/14=
10 2/3:8/9
7/20:1 5/9
6 4/11: 3 1/2
PROSZĘ O POMOC SZYBKO..

Answer 1

3* 2/3= 2/1=2
15*11/15= 15/1*11/15=11/1=11
2 5/8*4=21/8*4/1=21/2=10 1/2
3/4*1/2=3/4*2/4=6/16
16/21*7/8=2/3
3 3/5* 1 2/9=18/5*11/9=22/5=4 2/5
2/3*7/21*9/16=42/336
12:36=12/1*1/36=1/3
8/9:2=8/9*1/2=4/9
4:3/4=4/1*4/3=16/3=5 1/3
10:1 1/2=10/1:3/2=10/1*2/3=20/3=6 2/3
5/7:3/14=5/7*14/3=10/3=3 1/3
10 2/3:8/9=32/3*9/8=12/1=12
7/20:1 5/9=7/20:14/9=7/20*9/14=9/40
6 4/11: 3 1/2 = 70/11:7/2=70/11*2/7=20/11=1 9/11

Pozdrawiam . :)
Judyta.