相关试题
= 50÷50%=
= 
=
= 9.7﹣6.8=
=
= 
=
= 
= 
= 
=
= 
= 
= 
=
= 
=直接写出得数
777×9+111×37= 0.3÷5= 
﹣
= 42×（
+
）=
×
÷×= 
×
×7×4= 2.5×9.9×40= 1÷
÷=
999
+99+9
+
= 17.9﹣（2.5+7.9）=
直接写出得数
777×9+111×37= 0.3÷5= ﹣= 42×（+）=×÷×= ××7×4= 2.5×9.9×40= 1÷÷=
999+99+9+= 17.9﹣（2.5+7.9）=
×6.6+2.5×
（2）
﹣
﹣
．
+
+
=
﹣
+
+
= 
+
﹣
= 1﹣
﹣
=
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