64÷2= 120×3= 80÷2= 23×3=
36×5= 460÷2= 8×50= 1000÷5=
25×4= 0÷9= 500÷5= 660÷6=
15×9×0= 100﹣80+20= 32﹣17﹣15= 9÷□+□=2．
相关试题
64÷2= 120×3= 80÷2= 23×3=
36×5= 460÷2= 8×50= 1000÷5=
25×4= 0÷9= 500÷5= 660÷6=
15×9×0= 100﹣80+20= 32﹣17﹣15= 9÷□+□=2．
﹣
=
×
=
×44=
÷22= 4.5×10%=
÷
=
÷
=
﹣1.25= 1.5+
=
X﹣
X=
=
=
=
= 100÷50%=
= 1﹣20%= 0.3×30%=
×4= 1÷
×30= 1﹣
=
﹣
=，
×1.2=，5﹣1
﹣1.6=，
÷
=，
×0=，
÷9=，
×12=，0.25×4=，
÷
=，
×20%=．
+
=
﹣
=
+
= 1﹣
=
=
=
+
=
﹣
= 3﹣
=
+
= 3÷7= 43=
+
= 3
﹣1.75=
÷
=
×
×
=
÷
=
÷
=
×0+3=（
+
）×
=
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