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）=
=
= 1﹣
=
=
=
= 1﹣
=
=
﹣
= 0.12+
= 8
﹣8= 1
+2.1﹣1.25=
= 1.2+
= 1+
+
= 3
=
=
=
=
=
=
=
=
+
= 1﹣
﹣
=
+
=
﹣
= 25÷26=
+
= 1﹣
+
=
+0.4=
+
=
﹣
= 2.5﹣2
+0.8=
+
= 0.625+
=
﹣1
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