《2025年口算训练二年级数学上册人教版双色升级版》

第229片
$30÷6=$
$15÷3=$
$20÷5=$
$28÷4=$
$4÷2=$
$48÷8=$
$49÷7=$
$12÷6=$
$25÷5=$
$16÷2=$
$10÷5=$
$12÷3=$
$72÷8=$
$40÷8=$
$24÷6=$
$21÷7=$
$24÷3=$
$14÷7=$
$(\ \ \ \ )÷6 = 8$
$(\ \ \ \ )÷7 = 5$
$(\ \ \ \ )÷8 = 4$
$(\ \ \ \ )÷9 = 3$

答案： 解析：本题口算题主要考查二年级表内除法的运算。
答案：
$30 ÷ 6 = 5$
$15 ÷ 3 = 5$
$20 ÷ 5 = 4$
$28 ÷ 4 = 7$
$4 ÷ 2 = 2$
$48 ÷ 8 = 6$
$49 ÷ 7 = 7$
$12 ÷ 6 = 2$
$25 ÷ 5 = 5$
$16 ÷ 2 = 8$
$10 ÷ 5 = 2$
$12 ÷ 3 = 4$
$72 ÷ 8 = 9$
$40 ÷ 8 = 5$
$24 ÷ 6 = 4$
$21 ÷ 7 = 3$
$24 ÷ 3 = 8$
$14 ÷ 7 = 2$
$(48) ÷ 6 = 8$
$(35) ÷ 7 = 5$
$(32) ÷ 8 = 4$
$(27) ÷ 9 = 3$

 第230片
$10÷5=$
$56÷7=$
$18÷6=$
$8÷2=$
$63÷9=$
$25÷5=$
$72÷9=$
$30÷6=$
$15÷5=$
$40÷5=$
$14÷7=$
$42÷6=$
$12÷4=$
$36÷6=$
$18÷9=$
$32÷4=$
$20÷5=$
$27÷9=$
$28÷(\ \ \ \ ) = 4$
$81÷(\ \ \ \ ) = 9$
$48÷(\ \ \ \ ) = 6$
$63÷(\ \ \ \ ) = 7$

答案： 解析：本题主要考查除法的口算能力，涉及到7～9的表内除法。
答案：
$10 ÷ 5 = 2$
$56 ÷ 7 = 8$
$18 ÷ 6 = 3$
$8 ÷ 2 = 4$
$63 ÷ 9 = 7$
$25 ÷ 5 = 5$
$72 ÷ 9 = 8$
$30 ÷ 6 = 5$
$15 ÷ 5 = 3$
$40 ÷ 5 = 8$
$14 ÷ 7 = 2$
$42 ÷ 6 = 7$
$12 ÷ 4 = 3$
$36 ÷ 6 = 6$
$18 ÷ 9 = 2$
$32 ÷ 4 = 8$
$20 ÷ 5 = 4$
$27 ÷ 9 = 3$
$28 ÷ (7) = 4$
$81 ÷ (9) = 9$
$48 ÷ (8) = 6$
$63 ÷ (9) = 7$

第231片
$7×(2) = 14$
$(8)×8 = 64$
$(5)×3 = 15$
$3×(3) = 9$
$2×(6) = 12$
$9×(9) = 81$
$3×(8) = 24$
$6×(9) = 54$
$4×(4) = 16$
$(7)×7 = 49$
$7×(4) = 28$
$2×(8) = 16$
$4×(9) = 36$
$(5)×5 = 25$
$3×(7) = 21$
$(5)×8 = 40$
$7×(6) = 42$
$(5)×6 = 30$
$(7)×8 = 56$
$5×(9) = 45$
$9×(8) = 72$
$8×(3) = 24$

答案： 解析：这些题目都是基础的乘法表格的逆运算，需要通过除法来找到缺失的乘数。
答案：
$7×(2) = 14$
$(8)×8 = 64$
$(5)×3 = 15$
$3×(3) = 9$
$2×(6) = 12$
$9×(9) = 81$
$3×(8) = 24$
$6×(9) = 54$
$4×(4) = 16$
$(7)×7 = 49$
$7×(4) = 28$
$2×(8) = 16$
$4×(9) = 36$
$(5)×5 = 25$
$3×(7) = 21$
$(5)×8 = 40$
$7×(6) = 42$
$(5)×6 = 30$
$(7)×8 = 56$
$5×(9) = 45$
$9×(8) = 72$
$8×(3) = 24$