口算.
|
(1)3 -0.6= |
(2)1.25 +4= |
(3)16 +2.4= |
|
(4)9 -4.5= |
(5)0.6 +0.7= |
(6)4.3 -0.08= |
|
(7)2.4 +1.8+7.6= |
(8)8 -3.2-2.8= |
直接写出得数.
|
(1)0.3 +0.6 |
(2)1.2 -0.8 |
(3)7.8 -4.6 |
|
(4)1 -0.4 |
(5)2.9 +3.1 |
(6)4.4 +3 |
|
(7)0.56 -0.36 |
(8)9.9 -7.9 |
(9)8.8 +0.8 |
|
(10)0.7 +0.03 |
(11)5.62 +0.38 |
(12)1 -0.09 |
口算.
|
(1)4.8 +5.7= |
(2)4.36 +1.64= |
|
(3)9 -2.5= |
(4)10 -0.36= |
|
(5)2.39 +1.25= |
(6)5.38 -4.28= |
|
(7)0.36 +0.47= |
(8)0.91 -0.38= |
|
(9)2.4 +3.6-1.2= |
(10)4.5 -1.2+0.4= |
|
(11)7.25 +1.73+2.75= |
(12)10 -0.15-0.85= |