Mnożenie ułamków zwykłych 5 klasa ćw str 74 .
A więc tak 2.
3 x 1/7 =
21 x 1/6 =
5/6 x 9 =
5x1 i 1/3 =
15 x 2/5=
1/7 x 7 =
1/2 x 24 =
3i1/8 x 4 =
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3 x 1/7 = 3/1 * 1/7= 3/7
21 x 1/6 = 21/1*1/6= 21/6= 3 i 3/6= 3 i 1/2
5/6 x 9 =5/2 * 3= 15/2= 7 i 1/2
5x1 i 1/3 = 5/1 * 4/3= 20/3= 6 i 2/3
15 x 2/5=3*2=6
1/7 x 7 = 7/7=1
1/2 x 24 = 12
3i1/8 x 4 =25/8 * 4/1 = 25/2* 1/1= 25/2=12 i 1/2
jeżeli jakieś niejasności to śmiało pisz :)
3* 1/7= 3/1 * 1/7= 3/7
21* 1/6= 21/1* 1/6=7/2= 3 1/2
5/6 * 9 = 5/6 * 9/1=15/2=7 1/2
5*1 1/3 =5/1*4/3=20/3=6 2/3
15*2/5=15/1*2/5=6/1=6
1/7* 7 = 1/7* 7/1=1/1=1
1/2* 24 =1/2* 24/1=12/1=12
3 1/8* 4 =25/8* 8/4=25/4=6 1/4
mam nadzieje ze pomoglam :)