Addition
245+352=
597
987-524=
463
5x4
20
27x3
81
10/2
5
569+652=
1,221
745-261
484
8x5
40
55x4
220
12/6
2
1,452+3,562=
4,214
621-351
270
9x3
27
451x3
1,353
125/5
25
9,461+4,631
14,0921
6,423-2,052
4,371
7x7
49
894x5
4,470
270/6
45
15,249+4,862
20,1111
4,721-2,982
1,739
9x9
81
651x9
5,859
142/3
47r1