2025年快乐暑假快乐学中原农民出版社二年级数学人教版


注:目前有些书本章节名称可能整理的还不是很完善,但都是按照顺序排列的,请同学们按照顺序仔细查找。练习册 2025年快乐暑假快乐学中原农民出版社二年级数学人教版 答案主要是用来给同学们做完题方便对答案用的,请勿直接抄袭。



《2025年快乐暑假快乐学中原农民出版社二年级数学人教版》

| $1 ÷ 1 =$
1
|
| $2 ÷ 2 =$
1
| $4 ÷ 2 =$
2
|
| $3 ÷ 3 =$
1
| $6 ÷ 3 =$
2
| $9 ÷ 3 =$
3
|
| $4 ÷ 4 =$
1
| $8 ÷ 4 =$
2
| $12 ÷ 4 =$
3
| $16 ÷ 4 =$
4
|
| $5 ÷ 5 =$
1
| $10 ÷ 5 =$
2
| $15 ÷ 5 =$
3
| $20 ÷ 5 =$
4
| $25 ÷ 5 =$
5
|
| $6 ÷ 6 =$
1
| $12 ÷ 6 =$
2
| $18 ÷ 6 =$
3
| $24 ÷ 6 =$
4
| $30 ÷ 6 =$
5
|
答案: 【解析】:根据除法的运算规则,用被除数除以除数得出商。对于这些简单的除法算式,可依据乘法口诀来快速计算。如“一二得二”,所以$2\div2 = 1$;“二二得四”,所以$4\div2 = 2$等。
【答案】:$1 \div 1 = 1$;$2 \div 2 = 1$,$4 \div 2 = 2$;$3 \div 3 = 1$,$6 \div 3 = 2$,$9 \div 3 = 3$;$4 \div 4 = 1$,$8 \div 4 = 2$,$12 \div 4 = 3$,$16 \div 4 = 4$;$5 \div 5 = 1$,$10 \div 5 = 2$,$15 \div 5 = 3$,$20 \div 5 = 4$,$25 \div 5 = 5$;$6 \div 6 = 1$,$12 \div 6 = 2$,$18 \div 6 = 3$,$24 \div 6 = 4$,$30 \div 6 = 5$
二、根据乘法口诀写算式。
四六二十四
4
×
6
=
24

6
×
4
=
24

24
÷
4
=
6

24
÷
6
=
4

五六三十
5
×
6
=
30

6
×
5
=
30

30
÷
5
=
6

30
÷
6
=
5
答案: $4\times6 = 24$;$6\times4 = 24$;$24\div4 = 6$;$24\div6 = 4$;$5\times6 = 30$;$6\times5 = 30$;$30\div5 = 6$;$30\div6 = 5$
三、看图列式计算,并写出乘法口诀。

6
×
3
=
18
(个)
3
×
6
=
18
(个)
18
÷
3
=
6
(个)
18
÷
6
=
3
(份)
乘法口诀:______________
三六十八


5
×
2
=
10
(个)
2
×
5
=
10
(个)
10
÷
2
=
5
(个)
10
÷
5
=
2
(份)
乘法口诀:______________
二五一十
答案: 第一幅图:$6\times3 = 18$;$3\times6 = 18$;$18\div3 = 6$;$18\div6 = 3$;三六十八
第二幅图:$5\times2 = 10$;$2\times5 = 10$;$10\div2 = 5$;$10\div5 = 2$;二五一十

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