addition
10+20=
30
x+2=9
x = 7
1 x 5 =
5
15 / 5 =
3
5 + 5 + 1 - 6 + 80 =
85
200+ 500=
700
5 x h = 60
h = 12
19 x 2 =
38
200 / 1 =
200
19 - 8 + 1 -2 + 6 - 8 - 8=
0
3+9+90=
102
12126 - s = 12110
s= 16
5 x 9 =
45
19 / 5 =
3
99- 88 = 11 + 12 =
23
40+90+6
126
400 x y = 1200
y = 3
200 x 5 =
1000
200 / 10 =
20
55 - 8 +6 = 54 True or False?
FALSE!!!
20+60+90+2=
172
1900 = 0 + t
t = 1900
2000 x 8=
16000
99 / 9 =
11
99 + 1 - 18 =
82