678,9-632
1-3/7
×÷
20-18 divided by 6
change 1/2 to decimal
17÷4
To measure the height of the cloud cover at an airport, a worker shines a spotlight upward at an angle 75° from the horizontal. An...
24 divided by 3 - 5
claculate log{(0.99/0.01)(0.95/0.05)}
36 divided by 12 x 7
