直接写出得数﹣= += 0.8+7.2= 1﹣=+= 0.5×0.6= ﹣= +=+= 1﹣+=
把米平均分成3份，每份是 米，每份占米的 ．
直接写得数==========
直接写得数=== 3÷8=========
直接写出得数． 93= 8.7﹣7=÷1= 21÷7= 7×÷7×= 44÷= 75÷10%= 0.9+99×0.9=
直接写出得数．
﹣
= 
+
=
+
= 0.5×0.6= 
﹣
+
=
+
= 1﹣
+
=
米平均分成3份，每份是 米，每份占
米的 ．
=
=
=
=
=
=
=
=
=
=
=
=
= 3÷8=
=
=
=
=
=
=
=
=
÷1
= 21
÷7=
÷7×
= 75÷10%= 0.9+99×0.9=
．
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