一、口算。
$82 - 66 =$ $5×9 =$ $35÷8 =$
$7×8 =$ $70 - 52 =$ $33÷9 =$
$33 + 55 =$ $9×2 =$ $10÷2 =$
$3×5 =$ $44 - 19 =$ $18÷6 =$
$53 + 35 =$ $7×6 =$ $27÷7 =$
$4×8 =$ $71 - 44 =$ $17÷8 =$
$7×7 =$ $23 + 36 =$ $35÷7 =$
$50 - 24 =$ $8×5 =$ $36÷5 =$
$4×6 =$ $47 + 24 =$ $19÷3 =$
$82 - 65 =$ $3×9 =$ $45÷6 =$
$82 - 66 =$ $5×9 =$ $35÷8 =$
$7×8 =$ $70 - 52 =$ $33÷9 =$
$33 + 55 =$ $9×2 =$ $10÷2 =$
$3×5 =$ $44 - 19 =$ $18÷6 =$
$53 + 35 =$ $7×6 =$ $27÷7 =$
$4×8 =$ $71 - 44 =$ $17÷8 =$
$7×7 =$ $23 + 36 =$ $35÷7 =$
$50 - 24 =$ $8×5 =$ $36÷5 =$
$4×6 =$ $47 + 24 =$ $19÷3 =$
$82 - 65 =$ $3×9 =$ $45÷6 =$
答案
$82 - 66 = 16$
$5×9 = 45$
$35÷8 = 4······3$
$7×8 = 56$
$70 - 52 = 18$
$33÷9 = 3······6$
$33 + 55 = 88$
$9×2 = 18$
$10÷2 = 5$
$3×5 = 15$
$44 - 19 = 25$
$18÷6 = 3$
$53 + 35 = 88$
$7×6 = 42$
$27÷7 = 3······6$
$4×8 = 32$
$71 - 44 = 27$
$17÷8 = 2······1$
$7×7 = 49$
$23 + 36 = 59$
$35÷7 = 5$
$50 - 24 = 26$
$8×5 = 40$
$36÷5 = 7······1$
$4×6 = 24$
$47 + 24 = 71$
$19÷3 = 6······1$
$82 - 65 = 17$
$3×9 = 27$
$45÷6 = 7······3$
$5×9 = 45$
$35÷8 = 4······3$
$7×8 = 56$
$70 - 52 = 18$
$33÷9 = 3······6$
$33 + 55 = 88$
$9×2 = 18$
$10÷2 = 5$
$3×5 = 15$
$44 - 19 = 25$
$18÷6 = 3$
$53 + 35 = 88$
$7×6 = 42$
$27÷7 = 3······6$
$4×8 = 32$
$71 - 44 = 27$
$17÷8 = 2······1$
$7×7 = 49$
$23 + 36 = 59$
$35÷7 = 5$
$50 - 24 = 26$
$8×5 = 40$
$36÷5 = 7······1$
$4×6 = 24$
$47 + 24 = 71$
$19÷3 = 6······1$
$82 - 65 = 17$
$3×9 = 27$
$45÷6 = 7······3$
二、在$◯$里填“>”“<”或“=”。
65 秒$◯$1 分 4 时$◯$4 分 1 分 30 秒$◯$90 秒
60 秒$◯$6 时 100 秒$◯$10 分 90 秒$◯$2 分半
2 时$◯$80 分 55 秒$◯$1 分 99 分$◯$1 时 39 秒
8 时$◯$8 分 1 分$◯$10 秒 1 时 48 分$◯$2 时
1 时$◯$60 秒 1 时$◯$100 分 70 分$◯$1 时 10 分
65 秒$◯$1 分 4 时$◯$4 分 1 分 30 秒$◯$90 秒
60 秒$◯$6 时 100 秒$◯$10 分 90 秒$◯$2 分半
2 时$◯$80 分 55 秒$◯$1 分 99 分$◯$1 时 39 秒
8 时$◯$8 分 1 分$◯$10 秒 1 时 48 分$◯$2 时
1 时$◯$60 秒 1 时$◯$100 分 70 分$◯$1 时 10 分
答案
二、> > =
< < <
> < >
> > <
> < =
< < <
> < >
> > <
> < =
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