相关试题
= 
=
+
= 1﹣
×4= 
×4=
= 
÷（
）= 
÷0.4= 70﹣0.98=
a×
=直接写出得数．
4×0.2= 9﹣0.9= 7.2÷0.4= 183÷7= 
﹣
= 6÷（
﹣
）= 24÷
= 1﹣
+
=
5﹣（0.5+3.4）= 
×（1﹣
）= 1÷
×
= 
+
÷= ．
直接写出得数．
4×0.2= 9﹣0.9= 7.2÷0.4= 183÷7= ﹣= 6÷（﹣）= 24÷= 1﹣+=
5﹣（0.5+3.4）= ×（1﹣）= 1÷×= +÷= ．
+
= 1﹣
+
=
÷
= 7×8×（
+
）= 
÷
×0= 1﹣
÷
．
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