1.)9.7+8.6=18.3
8.6-3=8.3
9.7+3=10.0
10.0+8.3=18.3
2.)32.7+8.9=41.6
32.7-1=32.6
8.9+1=9.0
32.6+9.0=41.6
3.)9.7+8.6=18.3
8.6-3=8.3
9.7+3=10.0
10.0+8.3=18.3
4.)3.4+19.7=23.1
3.4-3=3.1
19.7+3=20.0
20.0+3.1=23.1
No comments:
Post a Comment