① 口算。
604÷2=
360÷3=
360÷6=
360÷9=
264÷4=
168÷8=
336÷6=
804÷4=
777÷7=
405÷5=
0÷7=
400÷4÷2=
639÷9=
216÷3=
300÷2÷3=
604÷2=
360÷3=
360÷6=
360÷9=
264÷4=
168÷8=
336÷6=
804÷4=
777÷7=
405÷5=
0÷7=
400÷4÷2=
639÷9=
216÷3=
300÷2÷3=
答案:
302
120
60
40
66
21
56
201
111
81
0
50
71
72
50
120
60
40
66
21
56
201
111
81
0
50
71
72
50
② 填一填。
( )÷7=110
3×( )=330
( )×4=560
6×( )=636
( )×3=207
5×( )=375
( )×8=256
7×( )=434
9×( )=927
( )÷7=110
3×( )=330
( )×4=560
6×( )=636
( )×3=207
5×( )=375
( )×8=256
7×( )=434
9×( )=927
答案:
770(110×7=770)
110(330÷3=110)
140(560÷4=140)
106(636÷6=106)
69(207÷3=69)
75(375÷5=75)
32(256÷8=32)
62(434÷7=62)
103(927÷9=103)
110(330÷3=110)
140(560÷4=140)
106(636÷6=106)
69(207÷3=69)
75(375÷5=75)
32(256÷8=32)
62(434÷7=62)
103(927÷9=103)
③ 脱式计算。
110×7÷5
96×10÷3
224÷4+4
154-864÷6
200-700÷5
32×5÷8
292÷4-12
140×3÷7
222÷3÷2
110×7÷5
96×10÷3
224÷4+4
154-864÷6
200-700÷5
32×5÷8
292÷4-12
140×3÷7
222÷3÷2
答案:
110×7÷5
=770÷5
=154
96×10÷3
=960÷3
=320
224÷4+4
=56+4
=60
154-864÷6
=154-144
=10
200-700÷5
=200-140
=60
32×5÷8
=160÷8
=20
292÷4-12
=73-12
=61
140×3÷7
=420÷7
=60
222÷3÷2
=74÷2
=37
=770÷5
=154
96×10÷3
=960÷3
=320
224÷4+4
=56+4
=60
154-864÷6
=154-144
=10
200-700÷5
=200-140
=60
32×5÷8
=160÷8
=20
292÷4-12
=73-12
=61
140×3÷7
=420÷7
=60
222÷3÷2
=74÷2
=37
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