在0～9999，这10000个数中，含有数字1的数共有多少个？
直接写得数．÷13=×9=÷=﹣×0=+= 6÷=﹣=×=×= 0÷=+16=÷=
直接写出得数． 50%+6=×= 4÷0.5= 28×25%= 95%+5=+= 6.9÷23= 100×0.4=
直接写出得数====+=== 1÷===
直接写出得数．×16= 10÷= 12÷=×=×=÷3=×=×=
6×=+=×= 3﹣=÷= 1÷=÷=﹣=×14=÷12=
÷13=
×9=
÷
=
﹣
+
=
﹣
=
×
=
×
=
=
+16=
÷
=
×
= 4÷0.5= 28×25%=
+
= 6.9÷23= 100×0.4=
=
=
=
=
+
=
=
= 1÷
=
=
=
×16= 10÷
= 12÷
=
×
=
×
=
÷3=
×
=
×
=
=
+
=
×
= 3﹣
=
÷
=
=
÷
=
﹣
=
×14=
÷12=
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