1. 直接写出得数。
500 - 360 =
84 - 57 =
72 - 45 =
9 × 2 × 3 =
48 + 48 =
6 × 13 =
71 × 3 =
6 × 7 × 4 =
3 × 600 =
18 × 4 =
500 × 7 =
5 × 20 × 7 =
7 × 80 =
302 × 3 =
26 × 3 =
40 × 4 × 5 =
800 × 9 =
7 × 16 =
38 × 2 =
70 × 5 - 90 =
93 - 57 =
60 × 9 =
17 × 6 =
60 + 60 × 3 =
61 - 32 =
28 × 4 =
21 × 6 =
(271 - 171) × 8 =
8 × 500 =
51 × 2 =
140 × 4 =
12 × (85 - 76) =
500 - 360 =
84 - 57 =
72 - 45 =
9 × 2 × 3 =
48 + 48 =
6 × 13 =
71 × 3 =
6 × 7 × 4 =
3 × 600 =
18 × 4 =
500 × 7 =
5 × 20 × 7 =
7 × 80 =
302 × 3 =
26 × 3 =
40 × 4 × 5 =
800 × 9 =
7 × 16 =
38 × 2 =
70 × 5 - 90 =
93 - 57 =
60 × 9 =
17 × 6 =
60 + 60 × 3 =
61 - 32 =
28 × 4 =
21 × 6 =
(271 - 171) × 8 =
8 × 500 =
51 × 2 =
140 × 4 =
12 × (85 - 76) =
答案
1. 140 27 27 54
96 78 213 168
1800 72 3500 700
560 906 78 800
7200 112 76 260
36 540 102 240
29 112 126 800
4000 102 560 108
96 78 213 168
1800 72 3500 700
560 906 78 800
7200 112 76 260
36 540 102 240
29 112 126 800
4000 102 560 108
2. 用竖式计算。
$92×6=$
$708×4=$
$569×8=$
$408×4=$
$570×9=$
$684×8=$
$92×6=$
$708×4=$
$569×8=$
$408×4=$
$570×9=$
$684×8=$
答案
2. 552 2832 4552
1632 5130 5472
(竖式略)
1632 5130 5472
(竖式略)
3. 如图,涂色部分表示46,则空白部分表示(
69
),整个图形表示(115
)。答案
3. 69 115
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