addition
600+900=
1500
10-4=
6
7x8=
56
5/2=
2.5
2.5x2.5=
6.25
345+678=
1023
209-89=
120
20x9=
180
80/4=
20
13.77+20.99=
34.76
2023+904=
2927
1299-468=
831
89x4=
356
2684/2=
1342
45.99-9.23=
36.76
999+999=
1998
6123-134=
5989
67x67=
4489
788/2=
394
4.5x4.5=
22.5
1840+2926=
4766
6709-3456=
3253
497x6=
2982
9782/2=
4891
99.5x99.5=
9900.25