直接写得数
12.7﹣（8.65+2.7） 92.5×0.25×4 6.7×0.9+6.7×0.1
8.25×9.9+0.825 3.4×8.7+34×0.13 6.5×1.1
直接写得数
12.7﹣（8.65+2.7） 92.5×0.25×4 6.7×0.9+6.7×0.1
8.25×9.9+0.825 3.4×8.7+34×0.13 6.5×1.1
+
+
=
﹣
= 2﹣
=
+
=
+
=
+
=
﹣
= 1﹣
=
﹣0.25= 6+
+
=
+
=
﹣
= 1﹣
﹣
=
+
+
=．
+
=
﹣
+3= 2.6﹣1
=
=
﹣
=
+
=
﹣
=
﹣
=
﹣
= 1
﹣（
）=
+
+
+
=
﹣
+
﹣
+（
﹣
）
千米，比第二周少修
千米．两周一共修了多少千米？
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