一、口算。
$8÷4=$
$30÷5=$
$6×6=$
$6÷3=$
$2×2=$
$12÷4=$
$15÷5=$
$18÷6=$
$20÷4=$
$6÷6=$
$12÷2=$
$4÷2=$
$4×2=$
$16÷4=$
$3×5=$
$2×5=$
$5×5=$
$4×3=$
$6×2=$
$5×6=$
$36÷6=$
$20÷5=$
$3÷3=$
$9÷3=$
$6÷2=$
$3×3=$
$4÷4=$
$6÷1=$
$4×6=$
$15÷3=$
$8÷4=$
$30÷5=$
$6×6=$
$6÷3=$
$2×2=$
$12÷4=$
$15÷5=$
$18÷6=$
$20÷4=$
$6÷6=$
$12÷2=$
$4÷2=$
$4×2=$
$16÷4=$
$3×5=$
$2×5=$
$5×5=$
$4×3=$
$6×2=$
$5×6=$
$36÷6=$
$20÷5=$
$3÷3=$
$9÷3=$
$6÷2=$
$3×3=$
$4÷4=$
$6÷1=$
$4×6=$
$15÷3=$
答案
1.2
2.6
3.36
4.2
5.4
6.3
7.3
8.3
9.5
10.1
11.6
12.2
13.8
14.4
15.15
16.10
17.25
18.12
19.12
20.30
21.6
22.4
23.1
24.3
25.3
26.9
27.1
28.6
29.24
30.5
2.6
3.36
4.2
5.4
6.3
7.3
8.3
9.5
10.1
11.6
12.2
13.8
14.4
15.15
16.10
17.25
18.12
19.12
20.30
21.6
22.4
23.1
24.3
25.3
26.9
27.1
28.6
29.24
30.5
二、在()里填合适的数。
16÷(
24÷(
15÷(
8÷(
18÷(
16÷(
4
)=4 5×(3
)=15 10÷(5
)=224÷(
4
)=6 4×(5
)=20 5×(5
)=2515÷(
5
)=3 20÷(5
)=4 6×(6
)=368÷(
2
)=4 2×(4
)=8 3×(3
)=918÷(
6
)=3 12÷(4
)=3 12÷(6
)=2答案
1.4
2.3
3.5
4.4
5.5
6.5
7.5
8.5
9.6
10.2
11.4
12.3
13.6
14.4
15.6
2.3
3.5
4.4
5.5
6.5
7.5
8.5
9.6
10.2
11.4
12.3
13.6
14.4
15.6
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