解答该试卷上的题目---**Extraction Content:** **(一) 基础知识 (共 42 分)** **(一) 填一填 (共 32 分)** **1. 口算.** 48+3=51 33-6=27 27+9=36 30+52=82 20+6+20-6=12 (Corrected to 40) 13-9=4 84-40=44 8+64=72 89-40=49 87-7-14=99 (Corrected to 66) 67-8=59 50+17=67 74-6=68 43+20-23=40 7+53-6=54 90-30=60 82-9=74 (Corrected to 73) 66-20=81 (Corrected to 46) 48-9=10+29 (Corrected to 39) 16+9+12=21 (Corrected to 37) **2. 圈一圈, 算一算.** * **Diagram 1:** An array of 11 rectangle shapes (pencils). A group of 9 is circled. Calculation: 11-9=(2) * **Diagram 2:** An array of 13 rectangle shapes (pencils). A group of 8 is circled. Calculation: 13-8=(5) **3.** 比68少3的数是( 65 ), 82比( 78 )多4。 **4.** □+6, 要使得数的十位是4, □内可以填( 4,5,6,7,8,9 )。 **5.** 按照得数的大小, 把下列算式从大到小排列起来。 65+20=25 (Corrected to 85) 56+2=58 62+8=70 5+67=62 84-6=78 9+10=19 60-8=30 (Corrected to 52) 81-30=51 Arrangement: (60-8) > (84-6) > (62+8) > (5+57) > (65+20) > (9+10) (Student's arrangement using incorrect results, marked incorrect) **6.** 羽毛球和小棒的数量一样多, 先请数一数图①中羽毛球的个数, 在图②中画出缺少的小棒, 然后在图③的计数器上画上珠子表示出羽毛球的个数。这个数读作( 三十四 ), 再添( 6 )个十和( 4 )个一就是一个最大的两位数。 * **Diagram ①:** An array of shuttlecocks. Counting shows 34 shuttlecocks. * **Diagram ②:** Image of small sticks. Shows 3 bundles of ten sticks. 4 loose sticks are drawn by the student. * **Diagram ③:** Image of an abacus with columns labeled 百位, 十位, 个位. Beads drawn: 3 in the 十位 column, 4 in the 个位 column, representing 34. * Textual answers in blanks: ( 三十四 ), ( 6 ), ( 4 ). **Diagram and Questions:** 右图是天天画的百数表的一部分。 * **Diagram Description:** A grid of numbers forming a cross-like shape with an extra square. Numbers are arranged as follows: ``` 33 42 43 44 45 53 ``` A black circle (●) is on the number 43. A black triangle (▲) is on the number 45. * **Question 1:** ▲处要填的数是 ( 33 )。 (Marked incorrect, corrected answer likely 45) * **Question 2:** ●处要填的数是 ( 45 )。 (Marked incorrect, corrected answer likely 43) * **Question 3:** 如果把这幅图做成一个正方体, 那么44 对面的数是 ( 46 )。 (Marked incorrect, corrected answer likely 42)