某商场为招揽顾客举办购物抽奖.奖金有三种:一等奖1000元,二等奖250元,三等奖50元.共有100人中奖,奖金总额为9500元.问二等奖有多少名？
直接写出下列各题的得数． 3.5+2.75= 0.6×1.5=== 15×（1﹣）= 320÷8÷25= 6.3÷0.07==
直接写出得数． 9.9+0.9= 0.5×1.2= 24÷= 0.36÷0.6= 2.625﹣1.25= 99÷×0= 1÷×=×÷×=
直接写得数． 2.73+3.27=÷=×= 11﹣=×=+=
直接写出结果： 2.2+3.57= 1.125×8= 35×= 4﹣= 1﹣﹣= 1×8+8×=+= 2÷= 3.25×4= 1.9+0.1﹣1.9+0.1=
直接写出得数． 9.8+6.7=+0.2= 15﹣= 1.25×8= 1÷0.25== 0×2= 7.2÷4= 25÷10%= 1﹣=
=
=
）= 320÷8÷25= 6.3÷0.07=
=
= 0.36÷0.6=
×0= 1÷
×
=
×
÷
=
÷
=
×
= 11﹣
=
×
=
+
= 4﹣
=
﹣
= 1
×8+8×=
+
= 2÷== 4﹣=﹣= 1×8+8×=+= 2÷=
+0.2= 15﹣
= 1.25×8= 1÷0.25=
= 0×2
= 7.2÷4= 25÷10%= 1﹣
=
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