11/4*4/5=5/4*4/5=20/20=1 1 1/5*3 3/4=6/5*15/4=90/20=4,5 1 1/2*1 1/2=2/3*2/3=4/9 2 5/10* 1 1/10=25/10*11/10=275/100=2,75 7/9:2/11=7/9*11/9=77/18=4 5/18 8/15:1/3=8/15*3=24/15=1,6 3/8:3/7=3/8*7/3=1/8*7=7/8 3 8/9:6 1/4=35/9:25/4=35/9*4/25=140/225
5/4*4/5=20/20=1
6/5*15/4=90/20=4,5
3/2*3/2=9/4=2,25
25/10*11/10=275/100=2,75
7/9*11/2=77/18=4,2
8/15*3/1=24/15=1,6
3/8*7/3=21/24=0,8
35/9*4/25=140/225=0,6
5/7-4/10=50/70-28/70=22/70
41/6-24/10=205/30-72/30=133/30
7/4*2/7-2/7=49/28*8/28-2/7=392/28-2/7=392/28-8/28=384/28
16/24*9/24+4/9*27/8=144/24+32/72*243/72=7776/72=108
(12/10+27/10)*10/13-3=39/10*10/13-3=507/130*100/130-3=50700/130-3=390-3=387
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11/4*4/5=5/4*4/5=20/20=1 1 1/5*3 3/4=6/5*15/4=90/20=4,5 1 1/2*1 1/2=2/3*2/3=4/9 2 5/10* 1 1/10=25/10*11/10=275/100=2,75 7/9:2/11=7/9*11/9=77/18=4 5/18 8/15:1/3=8/15*3=24/15=1,6 3/8:3/7=3/8*7/3=1/8*7=7/8 3 8/9:6 1/4=35/9:25/4=35/9*4/25=140/225
5/4*4/5=20/20=1
6/5*15/4=90/20=4,5
3/2*3/2=9/4=2,25
25/10*11/10=275/100=2,75
7/9*11/2=77/18=4,2
8/15*3/1=24/15=1,6
3/8*7/3=21/24=0,8
35/9*4/25=140/225=0,6
5/7-4/10=50/70-28/70=22/70
41/6-24/10=205/30-72/30=133/30
7/4*2/7-2/7=49/28*8/28-2/7=392/28-2/7=392/28-8/28=384/28
16/24*9/24+4/9*27/8=144/24+32/72*243/72=7776/72=108
(12/10+27/10)*10/13-3=39/10*10/13-3=507/130*100/130-3=50700/130-3=390-3=387