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1 tính
a 4/5+3/4= 5/4+5/6= 5/7+2/5=
b 9/8+5/16= 39/45+13/15= 5/8+67/72=
2 tính
a 1/6+5/6+1/3= 1/2+2/3+3/5=
b 5/12+1/2+2/3+3/4= 3/8+3/4+1/16=
1.Tính
a.4/5+3/4=16/20+15/20=31/20
5/4+5/6=15/12+10/12=25/12
5/7+2/5=25/35+14/35=39/35
b.9/8+5/16=18/16+5/16=23/16
39/45+13/15=13/15+13/15=26/15
5/8+67/72=45/12+67/72=112/72=14/9
2.Tính
a.1/6+5/6+1/3=1/6+5/6+2/6=8/6=4/3
1/2+2/3+3/5=15/30+20/30+18/30=53/30
b.5/12+1/2+2/3+3/4=5/12+6/12+8/12+9/12=28/12=7/3
3/8+3/4+1/16=6/16+12/16+1/26=19/16.
1.Tính
a.4/5+3/4=16/20+15/20=31/20
5/4+5/6=15/12+10/12=25/12
5/7+2/5=25/35+14/35=39/35
b.9/8+5/16=18/16+5/16=23/16
39/45+13/15=13/15+13/15=26/15
5/8+67/72=45/12+67/72=112/72=14/9
2.Tính
a.1/6+5/6+1/3=1/6+5/6+2/6=8/6=4/3
1/2+2/3+3/5=15/30+20/30+18/30=53/30
b.5/12+1/2+2/3+3/4=5/12+6/12+8/12+9/12=28/12=7/3
3/8+3/4+1/16=6/16+12/16+1/26=19/16.
1.Tính
a.4/5+3/4=16/20+15/20=31/20
5/4+5/6=15/12+10/12=25/12
5/7+2/5=25/35+14/35=39/35
b.9/8+5/16=18/16+5/16=23/16
39/45+13/15=13/15+13/15=26/15
5/8+67/72=45/12+67/72=112/72=14/9
2.Tính
a.1/6+5/6+1/3=1/6+5/6+2/6=8/6=4/3
1/2+2/3+3/5=15/30+20/30+18/30=53/30
b.5/12+1/2+2/3+3/4=5/12+6/12+8/12+9/12=28/12=7/3
3/8+3/4+1/16=6/16+12/16+1/26=19/16.
1.Tính
a.4/5+3/4=16/20+15/20=31/20
5/4+5/6=15/12+10/12=25/12
5/7+2/5=25/35+14/35=39/35
b.9/8+5/16=18/16+5/16=23/16
39/45+13/15=13/15+13/15=26/15
5/8+67/72=45/12+67/72=112/72=14/9
2.Tính
a.1/6+5/6+1/3=1/6+5/6+2/6=8/6=4/3
1/2+2/3+3/5=15/30+20/30+18/30=53/30
b.5/12+1/2+2/3+3/4=5/12+6/12+8/12+9/12=28/12=7/3
3/8+3/4+1/16=6/16+12/16+1/26=19/16.
1.Tính
a.4/5+3/4=16/20+15/20=31/20
5/4+5/6=15/12+10/12=25/12
5/7+2/5=25/35+14/35=39/35
b.9/8+5/16=18/16+5/16=23/16
39/45+13/15=13/15+13/15=26/15
5/8+67/72=45/12+67/72=112/72=14/9
2.Tính
a.1/6+5/6+1/3=1/6+5/6+2/6=8/6=4/3
1/2+2/3+3/5=15/30+20/30+18/30=53/30
b.5/12+1/2+2/3+3/4=5/12+6/12+8/12+9/12=28/12=7/3
3/8+3/4+1/16=6/16+12/16+1/26=19/16.
1.Tính
a.4/5+3/4=16/20+15/20=31/20
5/4+5/6=15/12+10/12=25/12
5/7+2/5=25/35+14/35=39/35
b.9/8+5/16=18/16+5/16=23/16
39/45+13/15=13/15+13/15=26/15
5/8+67/72=45/12+67/72=112/72=14/9
2.Tính
a.1/6+5/6+1/3=1/6+5/6+2/6=8/6=4/3
1/2+2/3+3/5=15/30+20/30+18/30=53/30
b.5/12+1/2+2/3+3/4=5/12+6/12+8/12+9/12=28/12=7/3
3/8+3/4+1/16=6/16+12/16+1/26=19/16.
1. Tính
a. 31/20 25/12 39/35
b. 23/16 26/15 14/9
2.Tính
a. 4/3 53/30
b. 7/3 19/16
ai làm nhanh nhất, đúng nhất đầy đủ nhất mình vote cho nha
31/20
31/20
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