计算.
|
(1)8.43 +1.67= |
(2)10 -1.28= |
计算.
|
(1)5.32 +6.98= |
(2)6.12 -2.98= |
计算下面各题.
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|
(5)4.2 -2.4= |
(6)9.1 -1.9= |
|
(7)9.2 -2.9= |
(8)3.2 -2.3= |
|
(9)8.4 -4.8= |
(10)9.4 -4.9= |
计算.
|
(1)12.5 -2.9= |
(2)20 -1.45= |