oblicz 9 1/7 * 1 1/8 : 2 2/3=
5 20/21 : 5 5/9 * 1 19/30=
8 1/3 : 16 2/3 : 3 1/2=
prosze o dokladne obliczenia
1) 9 1/7 * 1 1/8 : 2 2/3= 64/7*9/8:8/3=72/7:8/3=72/7*3/8=27/7=3 6/7
2) 5 20/21 : 5 5/9 * 1 19/30= 125/21:50/9*49/30=125/21:245/27=125/21*27/245=
=3375/5145
3)8 1/3 : 16 2/3 : 3 1/2= 25/3:50/3:7/2=25/3*3/50:7/2=1/25:7/2=1/25*2/7=2/175
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1) 9 1/7 * 1 1/8 : 2 2/3= 64/7*9/8:8/3=72/7:8/3=72/7*3/8=27/7=3 6/7
2) 5 20/21 : 5 5/9 * 1 19/30= 125/21:50/9*49/30=125/21:245/27=125/21*27/245=
=3375/5145
3)8 1/3 : 16 2/3 : 3 1/2= 25/3:50/3:7/2=25/3*3/50:7/2=1/25:7/2=1/25*2/7=2/175