直接写出得数:
|
(1)3.7 +7.3= |
(2)0.56 -0.44= |
(3)1.6 ×0.5= |
|
(4)6.25 ×4= |
(5)1.2 ÷5 |
(6)100 ×8.3= |
直接写出得数.
|
64 ÷8+8= |
35 +5×2= 83-8+12= 6×5÷3= |
直接写出得数.
|
2.8 +1.2= |
0.36 +0.25= 0.6-0.23= 7.5-3.8= |
直接写出得数.
|
0.29 +0.5= |
5.6 +3.7= 3.4-0.7= 7-1.2= |
口算.
|
(1)0.6 +0.3= |
(2)0.9 -0.5= |
|
(3)1.2 +0.7= |
(4)1.8 -1.3= |
|
(5)0.2 +0.8= |
(6)7.4 -2= |
|
(7)2.7 +0.5= |
(8)1 -0.6= |
口算.
|
(1)0.7 +0.8= |
(2)4.8 -0.5= |
|
(3)1.3 +0.7= |
(4)5.8 -3= |
|
(5)3.6 +0.4= |
(6)1 -0.2= |
|
(7)0.5 +0.5 |
(8)4.9 -2.7= |
口算.
|
(1)0.2 +0.7= |
(2)0. 9-0.6= |
|
(3)6.2 +3= |
(4)1 -0.3= |
|
(5)0.4 +0.6= |
(6)0.9 -0.2= |
|
(7)4.5 +2.1= |
(8)8.9 -6.7= |
口算.
|
(1)0.5 +0.3= |
(2)0.8 -0.6= |
|
(3)1.2 +0.4= |
(4)2.6 -0.2= |
|
(5)0.4 +0.5= |
(6)0.9 -0.7= |
|
(7)0.8 +0.2= |
(8)1.6 -1.3= |
直接写出得数.
|
① 3.2+2.1= |
② 0.21+1.2= |
|
③ 7.2+3.9= |
④ 5.9-2.8= |
|
⑤ 1.5-0.8= |
⑥ 8.1-7.6= |
直接写出得数.
|
(1)0.5 +0.8= |
(2)1.9 +0.4= |
(3)5.3 +4.6= |
|
(4)2.1 -0.5= |
(5)4.3 -1.4= |
(6)0.51 -0.17= |