问题
解答题
|
答案
①1.3+0.07=1.37,②3-
=25 8
,③3 8
+1 5
=1 4
,④(9 20
+1 5
)-2 5
=2 7
,⑤11 35
+3 4
=12 5
,3 20
⑥
-4 5
=1 2
,⑦3 10
+1 3
=1 4
,⑧10.8-3.9-4.1=2.8,7 12
|
①1.3+0.07=1.37,②3-
=25 8
,③3 8
+1 5
=1 4
,④(9 20
+1 5
)-2 5
=2 7
,⑤11 35
+3 4
=12 5
,3 20
⑥
-4 5
=1 2
,⑦3 10
+1 3
=1 4
,⑧10.8-3.9-4.1=2.8,7 12