相关试题
+
×57 
+
×
2﹣1
+
﹣
﹣
+
﹣
×9+
= 
=
= 
=
= 
=
= 
=
= 
=
= 
=
= 
=
=
是多少？最大的两位数的准确计算：
42×
×11 
×15 
×
×
×
3
×28 
+
×
×（
+
） 15×
﹣
（﹣
）×12 
×36+
18﹣16×
×（
﹣
） 
×
﹣
12×（
+
）
×
﹣
（
﹣
）×24 
×4+ 
×9﹣
×
﹣
×
×
﹣×
91×
×13﹣
69×（
×
） 
×81 16.87﹣
+3.23﹣
．
×2= 
×1= 
×
= 12×
）3=
×7= 
×
= 5﹣
= 
×
= 
+
×
=
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