《2025年速算天地数学口算心算二年级上册苏教版》

速算7
$5×2= $10 $3×5+3= $18
$3×5= $15 $6×2+6= $18
$1×4= $4 $6×2-6= $6
$5×1= $5 $4×5+4= $24
$6×3= $18 $4×5-4= $16
$2×4= $8 $4×4+7= $23
$5×5= $25 $6×6-5= $31
$2×6= $12 $5×5+5= $30
$4×6= $24 $3×2-3= $3
$5×6= $30 $5×2+5= $15
$3×6= $18 $5×2-5= $5
$4×4= $16 $6×3+6= $24
$3×3= $9 $6×3-6= $12
$2×2= $4 $2×2+4= $8

答案： 解析：本题主要考查了二年级上册乘法和加减法的混合运算，需要熟练掌握乘法口诀，并理解运算的优先级，即先乘除后加减。
答案：
$5×2=10$
$3×5+3=15+3=18$
$3×5=15$
$6×2+6=12+6=18$
$1×4=4$
$6×2-6=12-6=6$
$5×1=5$
$4×5+4=20+4=24$
$6×3=18$
$4×5-4=20-4=16$
$2×4=8$
$4×4+7=16+7=23$
$5×5=25$
$6×6-5=36-5=31$
$2×6=12$
$5×5+5=25+5=30$
$4×6=24$
$3×2-3=6-3=3$
$5×6=30$
$5×2+5=10+5=15$
$3×6=18$
$5×2-5=10-5=5$
$4×4=16$
$6×3+6=18+6=24$
$3×3=9$
$6×3-6=18-6=12$
$2×2=4$
$2×2+4=4+4=8$