（于都县）小兰每周跳绳的平均成绩如表，请你把表中的数据绘制成合适的统计图（如图）．周次 一 二 三 四平均成绩（次/分钟） 98 106 104 108
===== 0×1.27====== 1.5÷25%+1.5=
口算：× 45×÷10 0÷ 54×÷×64 12÷（﹣）×24 3×÷3×．
直接写出得数×= 1﹣=÷1=÷=×= 2.5×=×= 52×=×÷×= 0÷5×=
直接写得数．= 24÷====﹣==﹣×=
直接写出得数： 3﹣1.2=（0.1）3= 3÷1=×0.4=﹣=×7=+1= 5×÷5×=+×= 21÷3=
=
=
=
=
= 0×1.27=
=
=
=
=
= 1.5÷25%+1.5=
×
45×
÷10 0÷
54×
÷
×64 12÷
（
﹣
）×24 3×
÷3×
×
= 1﹣
=
÷1=
÷
=
×
= 2.5×
=
×
= 52×
=
×
÷
×
= 0÷5×
=
= 24÷
=
=
=
=
﹣
=
=
=
﹣1.2=（0.1）3= 3÷1
=
×0.4=
﹣
=
×7=
+1
= 5×
÷5×
+
×
= 21
÷3=
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