一、口算。
$44 - 16 =$ $4×3 =$ $10÷3 =$
$7×6 =$ $25 + 57 =$ $16÷4 =$
$46 + 27 =$ $3×9 =$ $27÷5 =$
$5×5 =$ $66 - 28 =$ $35÷6 =$
$27 + 33 =$ $4×6 =$ $19÷7 =$
$3×7 =$ $81 - 53 =$ $42÷8 =$
$55 - 37 =$ $4×8 =$ $18÷9 =$
$6×6 =$ $34 + 49 =$ $27÷7 =$
$73 - 45 =$ $4×7 =$ $35÷5 =$
$5×8 =$ $82 - 47 =$ $23÷3 =$
$44 - 16 =$ $4×3 =$ $10÷3 =$
$7×6 =$ $25 + 57 =$ $16÷4 =$
$46 + 27 =$ $3×9 =$ $27÷5 =$
$5×5 =$ $66 - 28 =$ $35÷6 =$
$27 + 33 =$ $4×6 =$ $19÷7 =$
$3×7 =$ $81 - 53 =$ $42÷8 =$
$55 - 37 =$ $4×8 =$ $18÷9 =$
$6×6 =$ $34 + 49 =$ $27÷7 =$
$73 - 45 =$ $4×7 =$ $35÷5 =$
$5×8 =$ $82 - 47 =$ $23÷3 =$
答案
一、28 12 3……1
42 82 4
73 27 5……2
25 38 5……5
60 24 2……5
21 28 5……2
18 32 2
36 83 3……6
28 28 7
40 35 7……2
42 82 4
73 27 5……2
25 38 5……5
60 24 2……5
21 28 5……2
18 32 2
36 83 3……6
28 28 7
40 35 7……2
二、森林里正在举行运动会。 小兔萌萌、小猫花花、小狗乐乐参加了游泳和立定跳远比赛,下面是它们的比赛成绩。

游泳比赛中,(
游泳比赛中,(
乐乐
)排第一;立定跳远比赛中,(花花
)排第一。答案
二、乐乐 花花
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