21×3= 630÷90= 8×8﹣4=
27×100= 720÷80= 9﹣9×0=
38×20= 350÷70= 96﹣12×8=
240÷40= 320÷40= 100÷（25÷5）=
相关试题
21×3= 630÷90= 8×8﹣4=
27×100= 720÷80= 9﹣9×0=
38×20= 350÷70= 96﹣12×8=
240÷40= 320÷40= 100÷（25÷5）=
+
= ；
÷80%= ； 25×0.16×8= ；
= ；
×
= ； 1÷0.5×2= ；（
﹣
）+
= ．
+
=
﹣
=
×
=
÷
=
÷
= 20×
=
×5=
÷5=
×
=
+
=
÷2=
+
=
÷45%= 30﹣29.02=
﹣
+
=
×12= 1.25×
×8= 8.2+0.54+0.46=
÷
=
=
= 0.9+99×0.9=
=
=
=
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