TL
1+5=6
6+5=11
5+4=9
9+3=12
6+3=9
6-2=4
3-2=1
7-4=3
9-5=4
7-7=0
HT
a)
1 + 5 = 6
6 + 5 = 11
5 + 4 = 9
9 + 3 = 12
6 + 3 = 9
b)
6 - 2 = 4
3 - 2 = 1
7 - 4 = 3
9 - 5 = 4
7 - 7 = 0
k nhé:))
a,
=6
=11
=9
=12
=9
b,
=4
=1
=3
=4
=0
a)
1 + 5 = 6
6 + 5 = 11
5 + 4 = 9
9 + 3 = 12
6 + 3 = 9
b)
6 - 2 = 4
3 - 2 = 1
7 - 4 = 3
9 - 5 = 4
7 - 7 = 0
1 + 5 = 6
6 + 5 = 11
5 + 4 = 9
9 + 3 = 12
6 + 3 = 9
b)
6 - 2 = 4
3 - 2 = 1
7 - 4 = 3
9 - 5 = 4
7 - 7 = 0
1+5=6
6+5=11
5+4=9
9+3=12
6+3=9
b
6-2=4
3-2=1
7-4=3
9-5=4
7-7=0
tích đi
1+5=6
6+5=11
5+4=9
9+3=12
6+3=9
6-2=4
3-2=1
7-4=3
9-5=4
7-7=0