问题
解答题
|
答案
×(2.5-3 4
)+1 4
÷0.25,5 12
=
×(3 4
-10 4
)+1 4
÷5 12
,1 4
=
×3 4
+9 4
×4,5 12
=
+27 16
,5 3
=
+81 48 80 48
=
,161 48
=3
.17 48
|
×(2.5-3 4
)+1 4
÷0.25,5 12
=
×(3 4
-10 4
)+1 4
÷5 12
,1 4
=
×3 4
+9 4
×4,5 12
=
+27 16
,5 3
=
+81 48 80 48
=
,161 48
=3
.17 48