六年级数学单元一 : 整数与运算

六年级数学单元一 : 整数与运算

Assessment

Flashcard

Mathematics

7th Grade

Practice Problem

Easy

Created by

KUNG Moe

Used 5+ times

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20 questions

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1.

FLASHCARD QUESTION

Front

以下哪个数目是质数? 21, 51, 71, 91

Back

71

2.

FLASHCARD QUESTION

Front

4 794 721 的万位近似值是多少?

Back

4 790 000

3.

FLASHCARD QUESTION

Front

饼干工厂在第一年共制造了 1 500 500 个饼干,第二年的生产量比第一年多了0.45 百万。把工厂两年内的总生产量写成万位近似值。

Back

3 450 000

4.

FLASHCARD QUESTION

Front

把 7 420 000 写成百万单位的小数。

Back

7.420 百万

5.

FLASHCARD QUESTION

Front

蓝天水族馆共有 847 233 条鱼。海洋水族馆的鱼比蓝天水族馆多了 0.179 百万。下列哪个算式可以正确算出两间水族馆的鱼的总数量?

Back

179 000 + 847 233 × 2

6.

FLASHCARD QUESTION

Front

美美有机农场在七月份里共收割了 1.457 百万粒玉米。假设农场每天收割的玉米数量相同,农场在 12 天里收割了多少粒玉米?以整数写出答案。

Back

564 000

7.

FLASHCARD QUESTION

Front

以下哪组得到的答案不是质数? 52 – 9, 21 + 13, 28 - 26, 6 + 7

Back

21 + 13

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