Question

3. Oblicz.

a) 3/4x1/5= b) 2 3/5x1 3/7=

6/8x1/4= 1 3/4x 2 2/3=

5/8x1 1/3= 1 5/6x2 4/7=

4/12x3 1/2= 2 1/2x3 2/8=

3 1/6x5/12= 1 7/20 x 2 2/9=

4 1/8x3/9= 4 8/11x5 2/4=

5. Wykonaj obliczenia i zapisz wyniki od najmniejszego do największego.

1 9/16x 2 2/5=

4 2/3x1 2/4=

2 4/7x2 5/8=

3 1/8x2 4/10=

3 2/9x1 7/11=

Answer 1

Odp w załaczniku

Answer 2

Zad.3

a)   3/4x1/5=3/20

6/8x1/4=6/32

5/8x1 1/3=5/8x4/3=20/24

4/12x3 1/2=4/12x7/2=28/24=1  2/24           

3 1/6x5/12=19/6x5/12=95/72=1  23/73

4 1/8x3/9=33/8x3/9=99/72=1  27/72

b)   2 3/5x1 3/7=13/5x10/7=130/35=3 25/35=3 5/7

1 3/4x2 2/3=7/4x8/3=56/12=4 8/12

1 5/6x2 4/7=11/6x18/7=190/42=4 22/42

2 1/2x3 2/8=5/2x26/8=130/16=8 2/16

1 7/20x2 2/9=27/20x20/9=540/180=3

4 8/12x5 2/4=56/12x22/4=1232/48=25 32/48

Zad.5

1 9/16x2 2/5=25/16x12/5=300/80=3 60/80=3 3/4

4 2/3x1 2/4=14/3x6/4=84/12=7

2 4/7x2 5/8=18/7x21/8=378/56=6 42/56=6 3/4

3 1/8x2 4/10=25/8x24/10=600/80=7 40/80=7 1/2

3 2/9x1 7/11=29/9x18/11=522/99=5 27/99=5 3/11

 

3 3/4 < 5 3/11 < 6 3/4 < 7 < 7 1/2