+2.1= 6.3 -7.7=14.7
0.7+2.61.9+2.6
2.8+3.63.6+2.8
4-3.5+0.54-(3.5+0.5)
7.5-3.3+0.57.5-0.5+3.3
0.3+0.4= | 19.35-13= | 0.78+0.22= | 3.47-0.7= |
7-2.5= | 9+1.5= | 5.2-0.9= | 2.88+6.02= |
5.64+8.9= 16-6.61= 11.36-3.59=
13.64+6.73+7.36
99×45
13.64-(3.28+2.64)
5.19-2.27-2.73
(125+2)×8
31.5+2.18-11.5+2.82
四(1)班 | 19 | 17 | 25 | 19 | 15 |
四(2)班 | 18 | 22 | 24 | 16 |