Matematyka 6-PODRĘCZNIK
ĆWICZENIE C STRONA 24
a 3/5x10/11
3/7x14
b 1 3/4x6/7
2 5/8x1 1/7
c 3/4:1/3
8/15:4
d 4 1/2:1 1/8
6 3/4:3
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a) 3/5x10/11=6/11
3/7x14=6
b) 1 3/4x6/7=7/4x6/7=3/2=1 1/2
2 5/8x1 1/7=17/8x8/7=17/7=2 3/7
c) 3/4:1/3=3/4x3/1=9/4=1 1/4
8/15:4=8/15x1/4=2/15
d) 4 1/2:1 1/8=9/2:9/8=9/2x8/9=4
6 3/4:3=27/4x1/3=9/4=2 1/4