问题
填空题
计算:(2
|
答案
(2
+31 7
)-(1.375-1 8
)6 7
=2
+31 7
-1.375+1 8 6 7
=2
+1 7
+36 7
-1.3751 8
=3+13 4
=4
.3 4
计算:(2
|
(2
+31 7
)-(1.375-1 8
)6 7
=2
+31 7
-1.375+1 8 6 7
=2
+1 7
+36 7
-1.3751 8
=3+13 4
=4
.3 4