oblicz:
a)1i1/4*12=
6*2i1/2=
2 i 1/2*12=
b)4i2/3*3i1/2=
8i1/3*2i2/5=
4i1/5*2i1/7=
a)1i1/4*12=5/4*12/1=60/4=15
6*2i1/2=6/1*5/2=30/2=15
2i1/2*12= 5/2*12/1=60/2=30
b)4i1/2*3i1/2=9/2*7/2=63/4
8i1/2*2i2/5=17/2*12/5=204/10=20,4
4i1/5*2i1/7=21/5*15/7=315/35=9
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a)1i1/4*12=5/4*12/1=60/4=15
6*2i1/2=6/1*5/2=30/2=15
2i1/2*12= 5/2*12/1=60/2=30
b)4i1/2*3i1/2=9/2*7/2=63/4
8i1/2*2i2/5=17/2*12/5=204/10=20,4
4i1/5*2i1/7=21/5*15/7=315/35=9