1. 直接写出得数。
92 - 46 =
20 × 4 =
5 × 700 =
5 × 5 × 6 =
53 + 38 =
16 + 84 =
53 × 3 =
9 × 4 × 3 =
300 × 7 =
102 - 39 =
42 × 4 =
7 × 5 × 4 =
6 × 8 =
500 × 6 =
120 × 5 =
3 × 9 × 3 =
520 - 170 =
680 + 70 =
34 × 3 =
6 × 6 - 6 =
9 × 30 =
12 × 6 =
3 × 16 =
70 - 8 × 8 =
36 ÷ 9 =
14 × 8 =
19 × 4 =
(50 + 60) × 5 =
60 - 27 =
3 × 35 =
5 × 25 =
8 × (120 - 20) =
92 - 46 =
20 × 4 =
5 × 700 =
5 × 5 × 6 =
53 + 38 =
16 + 84 =
53 × 3 =
9 × 4 × 3 =
300 × 7 =
102 - 39 =
42 × 4 =
7 × 5 × 4 =
6 × 8 =
500 × 6 =
120 × 5 =
3 × 9 × 3 =
520 - 170 =
680 + 70 =
34 × 3 =
6 × 6 - 6 =
9 × 30 =
12 × 6 =
3 × 16 =
70 - 8 × 8 =
36 ÷ 9 =
14 × 8 =
19 × 4 =
(50 + 60) × 5 =
60 - 27 =
3 × 35 =
5 × 25 =
8 × (120 - 20) =
答案
1. 46 80 3500 150
91 100 159 108
2100 63 168 140
48 3000 600 81
350 750 102 30
270 72 48 6
4 112 76 550
33 105 125 800
91 100 159 108
2100 63 168 140
48 3000 600 81
350 750 102 30
270 72 48 6
4 112 76 550
33 105 125 800
2. 用竖式计算。
$608×7=$
$402×4=$
$825×5=$
$430×6=$
$640×5=$
$732×9=$
$608×7=$
$402×4=$
$825×5=$
$430×6=$
$640×5=$
$732×9=$
答案
2. 4256 1608 4125
2580 3200 6588
(竖式略)
2580 3200 6588
(竖式略)
先算一算,再根据规律填一填。
1×8+1=
12×8+2=
123×8+3=
12345×(
(
(
1×8+1=
12×8+2=
123×8+3=
12345×(
8
)+(5
)=(98765
)(
1234567
)×8+7=(9876543
)(
123456789
)×8+(9
)=987654321答案
(竖排)
9 98 987
8 5 98765
1234567 9876543
123456789 9
9 98 987
8 5 98765
1234567 9876543
123456789 9
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