﹣0.72+（
﹣0.28） （2）
÷[
×（
+
）] （3）解方程：（x+7）×
=1．相关试题
+
= 5.8﹣0.89= 0.52=
÷10= 3.9×1.1= （
+
）×12= 1﹣
+
=
= 
= 3.6÷0.6=
= 
=直接写得数：
×0.87= 
÷1.2= 
÷
= 0.56×
= 2006﹣619=
6﹣
= 3.2×
= 0.3×0.4= 2.85+1.5= 73.05﹣3.96=
= 
= 
= 1÷
×
= 7×
÷7×=
直接写得数：×0.87= ÷1.2= ÷= 0.56×= 2006﹣619=
6﹣= 3.2×= 0.3×0.4= 2.85+1.5= 73.05﹣3.96== = = 1÷×= 7×÷7×=
﹣
= 8÷0.4= 
﹣
=
+
= 
﹣
= 7﹣6.38=
+
= 
+
= 0.22×0.5=
= 
= 
= 10﹣8.9=
）×24= 42÷
= 2.7×
= 5.2÷10%=
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