直接写出得数.
|
(1)0.24 +0.75= |
(2)4.3 -0.8= |
|
(3)1 -0.62= |
(4)1.8 -0.9= |
直接写出得数.
|
(1)0.3 +0.7= |
(2)1.2 +1.8= |
|
(3)4 -0.5= |
(4)10 +0.25= |
直接写出得数.
|
(1)8.7 -2.7= |
(2)9.2 -5.2= |
|
(3)0.4 +0.5= |
(4)5.46 -2.2= |
直接写出得数.
|
(1)0.32 +0.56= |
(2)2.91 -0.81= |
|
(3)10 -3.71= |
(4)5 +0.01= |
口算.
|
(1)42.56 ×1000= |
(2)12.06 ÷10= |
|
(3)0.1 ×1000÷10= |
(4)1125 ×4×2= |
口算.
|
(1)24 +76= |
(2)185 -85= |
|
(3)910 ÷13= |
(4)0 ÷160= |