下面各题中，把除数看作几十五试商合适？把合适的数写在（ ）里．
直接写得数． 20×=÷=×=÷6=×12=×=
直接写得数．×=﹣=×=×=÷=÷=÷=÷=
直接写得数÷=×=﹣=×1.4= 12×= 24×=+= 0÷=
直接写得数== 3÷========
直接写得数．×16= 12÷= 0.3×=×÷=÷= 0×+=×÷×=
=
÷
=
×
=
÷6=
=
×
﹣
=
×
=
×
=
÷
=
÷
=
÷
=
÷
=
÷
=
×
=
﹣
=
×1.4=
= 24×
=
+
= 0÷
=
=
= 3÷
=
=
=
=
=
=
=
=
×16= 12÷
= 0.3×
=
×
÷
÷
= 0×
+
=
×
÷
×
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