easy
1=
1
1+1
2
5-1
4
5x7
35
50%30
1.33
3627=
3627
30+12
42
11-6
5
6x11
66
7065%392
18.02
52456234562=
52456234562
9+12
12-4
8
7x12
84
the square root of 90
9.48
3+3
6
438+20
458
56-27
29
40x12
480
if 2+4x=10
then x=
2
40x0
0
7032+5231
12263
536-128
408
120x600
72000
if a sphere has the radius of 5 the area=
314