直接写出得数．1.8÷= 0.65+= 0.64+3.6= ×2÷= 349×≈+=1 ÷1.3= ÷2.4= 0.625×= 19.9×3.14≈
直接写出得数 10﹣0.1=+= 1÷= 14﹣﹣=×=﹣=×=（+）×72=
直接写出得数．×= 1÷0.9=÷0.8=×9÷×9= 5.6÷=×= 0÷=×=
直接写得数．×=÷14= 26×=÷28= 12×=×=×=×24=÷=÷=
直接写出得数．×16= 12÷= 0.3×=÷= 1÷= 0×+=×=÷= 0.75÷= 1﹣= 1÷0.01= 10﹣0.01=
直接写出得数= 6÷== 10÷= 3.14×16= 7×=×99==
= 0.65+
= 0.64+3.6= 
×2÷
≈
+
=1 
÷1.3= 
÷2.4= 0.625×
= 19.9×3.14≈
+
= 1÷
= 14﹣
﹣
=
×
=
﹣
=
×
=（
+
）×72=
×
= 1÷0.9=
÷0.8=
×9÷
=
×
= 0÷
=
×
=
×
=
÷14= 26×
=
÷28= 12×
=
×
=
×
=
×24=
÷
=
÷
=
×16= 12÷
= 0.3×
=
= 1÷
= 0×
+
=
×
=
÷
= 1﹣
= 1÷0.01= 10﹣0.01=
= 6÷
=
= 10÷
=
=
×99=
=
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