登录
$260÷ 52=$
$390÷ 78=$
$190÷ 38=$
$240÷ 48=$
$280÷ 56=$
$360÷ 72=$
$130÷ 26=$
$270÷ 54=$
$420÷ 84=$
$320÷ 64=$
$340÷ 68=$
$290÷ 58=$
$480÷ 96=$
$370÷ 74=$
$430÷ 86=$
$490÷ 98=$
$140÷ 28=$
$230÷ 46=$
$220÷ 44=$
$160÷ 32=$
$380÷ 76=$
5
$390÷ 78=$
5
$190÷ 38=$
5
$240÷ 48=$
5
$280÷ 56=$
5
$360÷ 72=$
5
$130÷ 26=$
5
$270÷ 54=$
5
$420÷ 84=$
5
$320÷ 64=$
5
$340÷ 68=$
5
$290÷ 58=$
5
$480÷ 96=$
5
$370÷ 74=$
5
$430÷ 86=$
5
$490÷ 98=$
5
$140÷ 28=$
5
$230÷ 46=$
5
$220÷ 44=$
5
$160÷ 32=$
5
$380÷ 76=$
5
答案
解析：这些题目都是除法口算题，需要直接计算出每个除法的结果。
答案：
$260 ÷ 52 = 5$
$390 ÷ 78 = 5$
$190 ÷ 38 = 5$
$240 ÷ 48 = 5$
$280 ÷ 56 = 5$
$360 ÷ 72 = 5$
$130 ÷ 26 = 5$
$270 ÷ 54 = 5$
$420 ÷ 84 = 5$
$320 ÷ 64 = 5$
$340 ÷ 68 = 5$
$290 ÷ 58 = 5$
$480 ÷ 96 = 5$
$370 ÷ 74 = 5$
$430 ÷ 86 = 5$
$490 ÷ 98 = 5$
$140 ÷ 28 = 5$
$230 ÷ 46 = 5$
$220 ÷ 44 = 5$
$160 ÷ 32 = 5$
$380 ÷ 76 = 5$
答案：
$260 ÷ 52 = 5$
$390 ÷ 78 = 5$
$190 ÷ 38 = 5$
$240 ÷ 48 = 5$
$280 ÷ 56 = 5$
$360 ÷ 72 = 5$
$130 ÷ 26 = 5$
$270 ÷ 54 = 5$
$420 ÷ 84 = 5$
$320 ÷ 64 = 5$
$340 ÷ 68 = 5$
$290 ÷ 58 = 5$
$480 ÷ 96 = 5$
$370 ÷ 74 = 5$
$430 ÷ 86 = 5$
$490 ÷ 98 = 5$
$140 ÷ 28 = 5$
$230 ÷ 46 = 5$
$220 ÷ 44 = 5$
$160 ÷ 32 = 5$
$380 ÷ 76 = 5$
$712÷ 81\approx$
$560÷ 72\approx$
$318÷ 61\approx$
$717÷ 81\approx$
$690÷ 70\approx$
$489÷ 80\approx$
$250÷ 42\approx$
$689÷ 99\approx$
$709÷ 89\approx$
$507÷ 68\approx$
$439÷ 87\approx$
$414÷ 81\approx$
$567÷ 70\approx$
$599÷ 60\approx$
$300÷ 51\approx$
$337÷ 80\approx$
$471÷ 79\approx$
$561÷ 91\approx$
$487÷ 82\approx$
$418÷ 69\approx$
$431÷ 58\approx$
9
$560÷ 72\approx$
8
$318÷ 61\approx$
5
$717÷ 81\approx$
9
$690÷ 70\approx$
10
$489÷ 80\approx$
6
$250÷ 42\approx$
6
$689÷ 99\approx$
7
$709÷ 89\approx$
8
$507÷ 68\approx$
7
$439÷ 87\approx$
5
$414÷ 81\approx$
5
$567÷ 70\approx$
8
$599÷ 60\approx$
10
$300÷ 51\approx$
6
$337÷ 80\approx$
4
$471÷ 79\approx$
6
$561÷ 91\approx$
6
$487÷ 82\approx$
6
$418÷ 69\approx$
6
$431÷ 58\approx$
7
答案
$712÷81\approx9$
$560÷72\approx8$
$318÷61\approx5$
$717÷81\approx9$
$690÷70\approx10$
$489÷80\approx6$
$250÷42\approx6$
$689÷99\approx7$
$709÷89\approx8$
$507÷68\approx7$
$439÷87\approx5$
$414÷81\approx5$
$567÷70\approx8$
$599÷60\approx10$
$300÷51\approx6$
$337÷80\approx4$
$471÷79\approx6$
$561÷91\approx6$
$487÷82\approx6$
$418÷69\approx6$
$431÷58\approx7$
$560÷72\approx8$
$318÷61\approx5$
$717÷81\approx9$
$690÷70\approx10$
$489÷80\approx6$
$250÷42\approx6$
$689÷99\approx7$
$709÷89\approx8$
$507÷68\approx7$
$439÷87\approx5$
$414÷81\approx5$
$567÷70\approx8$
$599÷60\approx10$
$300÷51\approx6$
$337÷80\approx4$
$471÷79\approx6$
$561÷91\approx6$
$487÷82\approx6$
$418÷69\approx6$
$431÷58\approx7$
$104× 40= $
$208× 30= $
$308× 50= $
$360× 60= $
$200× 40= $
$206× 80= $
$250× 70= $
$406× 90= $
$460× 70= $
$640× 80= $
$340× 50= $
$705× 70= $
$705× 50= $
$507× 50= $
$507× 70= $
$980× 40= $
$809× 40= $
$408× 90= $
$908× 40= $
$207× 30= $
$270× 30= $
4160
$208× 30= $
6240
$308× 50= $
15400
$360× 60= $
21600
$200× 40= $
8000
$206× 80= $
16480
$250× 70= $
17500
$406× 90= $
36540
$460× 70= $
32200
$640× 80= $
51200
$340× 50= $
17000
$705× 70= $
49350
$705× 50= $
35250
$507× 50= $
25350
$507× 70= $
35490
$980× 40= $
39200
$809× 40= $
32360
$408× 90= $
36720
$908× 40= $
36320
$207× 30= $
6210
$270× 30= $
8100
答案
解析：这些题目都是基础的乘法口算题，需要直接计算出结果。
答案：
$104× 40 = 4160$；
$208× 30 = 6240$；
$308× 50 = 15400$；
$360× 60 = 21600$；
$200× 40 = 8000$；
$206× 80 = 16480$；
$250× 70 = 17500$；
$406× 90 = 36540$；
$460× 70 = 32200$；
$640× 80 = 51200$；
$340× 50 = 17000$；
$705× 70 = 49350$；
$705× 50 = 35250$；
$507× 50 = 25350$；
$507× 70 = 35490$；
$980× 40 = 39200$；
$809× 40 = 32360$；
$408× 90 = 36720$；
$908× 40 = 36320$；
$207× 30 = 6210$；
$270× 30 = 8100$。
答案：
$104× 40 = 4160$；
$208× 30 = 6240$；
$308× 50 = 15400$；
$360× 60 = 21600$；
$200× 40 = 8000$；
$206× 80 = 16480$；
$250× 70 = 17500$；
$406× 90 = 36540$；
$460× 70 = 32200$；
$640× 80 = 51200$；
$340× 50 = 17000$；
$705× 70 = 49350$；
$705× 50 = 35250$；
$507× 50 = 25350$；
$507× 70 = 35490$；
$980× 40 = 39200$；
$809× 40 = 32360$；
$408× 90 = 36720$；
$908× 40 = 36320$；
$207× 30 = 6210$；
$270× 30 = 8100$。
