问题
解答题
改写成小数后再计算．
|
答案
+3 10
=0.3+0.5=0.8；5 10
-7 10
=0.7-0.5=0.2；5 10
-67 100
=0.67-0.51=0.16；51 100
-29 100
=0.29-0.03=0.26．3 100
搜题请搜索小程序“爱下问搜题”
改写成小数后再计算．
|
+3 10
=0.3+0.5=0.8；5 10
-7 10
=0.7-0.5=0.2；5 10
-67 100
=0.67-0.51=0.16；51 100
-29 100
=0.29-0.03=0.26．3 100