multiplication
10x5=
50
20+30=
50
10/5 =
2
90-7=
83
5/2+2=
4.5
20x30=
600
200+3+10
213
9/3=
3
100-90=
10
100-20+10/2=
45
100x50=
5000
200+200+300=
700
12/3=
4
40-4=
36
800-70+3=
733
100x40=
4000
1000+10=
1010
9/72=
8
90-20=
70
10x5-1=
49
30x90
2700
100+1000+1=
1101
3/85=
28
70-9=
61
700x40-5=
27995