《2025年口算训练二年级数学上册北师大版双色升级版》

第24片
$94 - 42 = $
$30 - 16 = $
$93 - 35 = $
$82 - 29 = $
$61 - 9 = $
$17 + 19 = $
$56 + 25 = $
$61 - 45 = $
$50 - 39 = $
$86 - 18 = $
$24 - 17 = $
$41 - 24 = $
$23 + 19 = $
$92 - 42 = $
$60 - 28 = $
$77 - 12 = $
$18 + 19 = $
$66 - 19 = $
$80 - 32 = $
$76 - 14 = $

答案： 解析：这些题目都是基础的加减法运算，考查的是100以内数的加减法运算能力。
答案：
$94 - 42 = 52$
$30 - 16 = 14$
$93 - 35 = 58$
$82 - 29 = 53$
$61 - 9 = 52$
$17 + 19 = 36$
$56 + 25 = 81$
$61 - 45 = 16$
$50 - 39 = 11$
$86 - 18 = 68$
$24 - 17 = 7$
$41 - 24 = 17$
$23 + 19 = 42$
$92 - 42 = 50$
$60 - 28 = 32$
$77 - 12 = 65$
$18 + 19 = 37$
$66 - 19 = 47$
$80 - 32 = 48$
$76 - 14 = 62$

第25片
$95 - 7 = $
$54 - 18 = $
$60 + 16 = $
$26 + 17 = $
$33 - 6 = $
$50 - 23 = $
$53 + 18 = $
$75 + 12 = $
$57 - 26 = $
$63 - 19 = $
$54 - 27 = $
$35 - 18 = $
$50 + 15 = $
$27 - 16 = $
$55 - 18 = $
$42 + 17 = $
$12 + 35 = $
$63 - 15 = $
$16 + 37 = $
$41 - 28 = $

答案： 88
36
76
43
27
27
71
87
31
44
27
17
65
11
37
59
47
48
53
13

第26片
列竖式计算。

答案： 解析：本题主要考查100以内数的加减法的竖式计算。
答案：
$63 - 25 = 38$
$\begin{array}{r r r}&\underline{\;\;6\;\;3} \\- &2\;\;5 \\ \hline &3\;\;8 \end{array}$
$65 + 17 = 82$
$\begin{array}{r r r}&\underline{\;\;6\;\;5} \\+ &1\;\;7 \\ \hline &8\;\;2 \end{array}$
$37 + 18 = 55$
$\begin{array}{r r r}&\underline{\;\;3\;\;7} \\+ &1\;\;8 \\ \hline &5\;\;5 \end{array}$
$90 - 47 = 43$
$\begin{array}{r r r}&\underline{\;\;9\;\;0} \\- &4\;\;7 \\ \hline &4\;\;3 \end{array}$
$83 - 16 = 67$
$\begin{array}{r r r}&\underline{\;\;8\;\;3} \\- &1\;\;6 \\ \hline &6\;\;7 \end{array}$
$54 + 36 = 90$
$\begin{array}{r r r}&\underline{\;\;5\;\;4} \\+ &3\;\;6 \\ \hline &9\;\;0 \end{array}$