问题
解答题
9
|
答案
9
×15+(18 19
-3 8
+7 12
)×241 4
=9
×15+9-14+618 19
=(10-
)×15+11 19
=150-
+115 19
=150
.4 19
9
|
9
×15+(18 19
-3 8
+7 12
)×241 4
=9
×15+9-14+618 19
=(10-
)×15+11 19
=150-
+115 19
=150
.4 19