学校准备靠墙用篱笆围一个长5米，宽2米的花坛，至少需要多长的篱笆？
直接写出答案．
289+417=
1.25×80%=
= 0.98÷7=
﹣
=
（
+
）÷8= 28×
×0= 701﹣2.32= 1﹣
=
×4=
直接写出得数．
95﹣37=
÷
=
+
=
×
=
25%﹣
= 0.625+
= 98×101= 18×
=
÷15= 9.25×0.125+
×
=
直接写出结果
45+38=
÷3= 4.2÷0.07= 11×
=
0.875×24= 1÷
= 7.2×
= 8﹣
=
0.25﹣
=
×0÷
=
口算．
3.7+0.63= 3.2×
= 8﹣
= 2.5×6.7×4=
75×99= 81÷
=
+=
×（8+5）×
=
直接写出得数：
8×
=
÷12=
×
= 0×
=
3﹣
=
×
=5÷
=
÷
=
÷
=（
+
）×16= 0.8×1.5=
﹣1÷3=