① 用竖式计算并验算。
536÷2= 验算:
744÷4= 验算:
864÷6= 验算:
832÷8= 验算:
536÷2= 验算:
744÷4= 验算:
864÷6= 验算:
832÷8= 验算:
答案:
536÷2=268
268
2)536
4
---
13
12
---
16
16
---
0
验算:268×2=536
744÷4=186
186
4)744
4
---
34
32
---
24
24
---
0
验算:186×4=744
864÷6=144
144
6)864
6
---
26
24
---
24
24
---
0
验算:144×6=864
832÷8=104
104
8)832
8
---
32
32
---
0
验算:104×8=832
268
2)536
4
---
13
12
---
16
16
---
0
验算:268×2=536
744÷4=186
186
4)744
4
---
34
32
---
24
24
---
0
验算:186×4=744
864÷6=144
144
6)864
6
---
26
24
---
24
24
---
0
验算:144×6=864
832÷8=104
104
8)832
8
---
32
32
---
0
验算:104×8=832
② 脱式计算。
360÷2÷3 324÷4÷9 32×4÷8
48÷8×100 624÷6×7 335÷5×2
600÷(2×2) 450÷(27÷3) 540÷2÷3
360÷2÷3 324÷4÷9 32×4÷8
48÷8×100 624÷6×7 335÷5×2
600÷(2×2) 450÷(27÷3) 540÷2÷3
答案:
360÷2÷3
=180÷3
=60
324÷4÷9
=81÷9
=9
32×4÷8
=128÷8
=16
48÷8×100
=6×100
=600
624÷6×7
=104×7
=728
335÷5×2
=67×2
=134
600÷(2×2)
=600÷4
=150
450÷(27÷3)
=450÷9
=50
540÷2÷3
=270÷3
=90
=180÷3
=60
324÷4÷9
=81÷9
=9
32×4÷8
=128÷8
=16
48÷8×100
=6×100
=600
624÷6×7
=104×7
=728
335÷5×2
=67×2
=134
600÷(2×2)
=600÷4
=150
450÷(27÷3)
=450÷9
=50
540÷2÷3
=270÷3
=90
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