1. 下面关于使用直尺测量的方法和结果的选项,正确的是
(
① 纸片长3cm
②
③ 纸片长4cm
(
③
)。① 纸片长3cm
②
③ 纸片长4cm
答案
1. ③
2. 下面三个容器中,盛水量最多的是(
①
③
①
),最少的是(②
)。①
答案
2. ① ②
3. 三名同学比身高,圆圆的身高是132厘米,东东比圆圆矮14厘米,小力比圆圆高二十几厘米。三名同学中,(
① 圆圆
② 东东
③ 小力
③
)最高。① 圆圆
② 东东
③ 小力
答案
3. ③
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答案
4. ①
5. 钟面上分钟从12开始转了5圈,时针从3走到(
① 8
② 9
③ 10
①
)。① 8
② 9
③ 10
答案
5. ①
1.(1)在算盘上拨9个珠靠梁表示最接近5000的数。(3分)
(2)在计数器上画9个珠表示最接近5000的数。(3分)

(2)在计数器上画9个珠表示最接近5000的数。(3分)
答案
(1)算盘上表示的最接近5000的数是5039:千位拨1个上珠靠梁,十位拨3个下珠靠梁,个位拨1个上珠、4个下珠靠梁,其余数位不拨珠。
(2)计数器千位画5个珠,个位画4个珠,百位、十位不画珠,表示的最接近5000的数是5004。
(2)计数器千位画5个珠,个位画4个珠,百位、十位不画珠,表示的最接近5000的数是5004。
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