计算，能简算的要简算．
1.8×5.46+1.8×4.54 16.38÷0.36﹣4.8 0.32×0.25×12.5
0.85+0.2×1.35 2.8÷3.5×4 2.64+8.67+1.33﹣1.64．
计算，能简算的要简算．
1.8×5.46+1.8×4.54 16.38÷0.36﹣4.8 0.32×0.25×12.5
0.85+0.2×1.35 2.8÷3.5×4 2.64+8.67+1.33﹣1.64．
+
=
﹣
= 1﹣
=
+
=
﹣
=
+
=
﹣
= 2﹣
=
+
+
= 1﹣
﹣
=
，乙车每次能运它的
，两车每次能运它的几分之几？
﹣
+
+
﹣
+
+
﹣（
﹣
）
米，底长
米，周长是多少米？
=
=
=
=
=
=
=
=
粤公网安备 44130202000953号