《2025年灵机一动小学数学口算心算一年级上册苏教版》

口算练习 4
1 2 3
$1+1= $2 $5-4= $1 $5-3= $2
$4+1= $5 $5-2= $3 $2-1= $1
$1+3= $4 $2-1= $1 $3+1= $4
$3+1= $4 $4-2= $2 $1+3= $4
$3+2= $5 $4-3= $1 $4-1= $3
$1+4= $5 $5-1= $4 $4-3= $1
$2+1= $3 $4-3= $1 $5-2= $3
$2+2= $4 $3-1= $2 $5-1= $4
$1+2= $3 $3-2= $1 $2+2= $4
$2+3= $5 $5-3= $2 $3-2= $1
$3+1= $4 $5-1= $4 $5-3= $2
$1+3= $4 $4-3= $1 $4+1= $5
$1+2= $3 $3-1= $2 $3+2= $5

答案： 解析：题目给出了多组简单的加减法口算题，主要考查一年级学生的基本算术运算能力。
答案：
$1+1= 2$
$5-4= 1$
$5-3= 2$
$4+1= 5$
$5-2= 3$
$2-1= 1$
$1+3= 4$
$2-1= 1$
$3+1= 4$
$3+1= 4$
$4-2= 2$
$1+3= 4$
$3+2= 5$
$4-3= 1$
$4-1= 3$
$1+4= 5$
$5-1= 4$
$4-3= 1$
$2+1= 3$
$4-3= 1$
$5-2= 3$
$2+2= 4$
$3-1= 2$
$5-1= 4$
$1+2= 3$
$3-2= 1$
$2+2= 4$
$2+3= 5$
$5-3= 2$
$3-2= 1$
$3+1= 4$
$5-1= 4$
$5-3= 2$
$1+3= 4$
$4-3= 1$
$4+1= 5$
$1+2= 3$
$3-1= 2$
$3+2= 5$