Oblicz.
Wyniki przedstaw w najprostrzej postaci.
a) 6/7razy14/3
b)8razy 6.1/4=
c) 1.7/8 razy 2.8/10=
d) 5/9 : 3/10=
e)15/8 : 35/14=
f)2.1/3 : 1.9/12=
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a) 6/7razy14/3=84/21=4
b)8razy 6.1/4=8x6.25=50
c) 1.7/8 razy 2.8/10=1.875x2.8=5.25lub inaczej
1 7/8x2 8/10=15/8x28/10=420/80=5 20/80 =5 1/4
d) 5/9 : 3/10=5/9x10/3=50/27=1 23/27
e)15/8 : 35/14=15/8x14/35=210/280=21/28
f)2.1/3 : 1.9/12=7/3:21/12=7/3x12/21=84/63=1 21/63
a) 6/7 razy 14/3 = 4
b) 8 razy 6.1/4= 8 razy 25/4 = 50
c) 1.7/8 razy 2.8/10= 15/8 razy 28/10 =21/4 = 5.1/4
d) 5/9 : 3/10= 5/9 razy 10/3 =50/27
e)15/8 : 35/14= 15/8 razy 14/35 = 3/4
f)2.1/3 : 1.9/12=7/3 : 21/12 = 7/3 razy 12/21 = 4/3