问题
解答题
11-3
|
答案
11-3
-(17 11
×4 11
+18 15
×4 11
).7 15
=11-3
-17 11
×(4 11
+8 15
)7 15
=11-3
-17 11
×14 11
=11-(3
+17 11
)4 11
=11-5
=6.
11-3
|
11-3
-(17 11
×4 11
+18 15
×4 11
).7 15
=11-3
-17 11
×(4 11
+8 15
)7 15
=11-3
-17 11
×14 11
=11-(3
+17 11
)4 11
=11-5
=6.