Permalink | 177,274 notes
In class: 1+1=2
Exercises: 1+2+1=4
Test: John buy 4 oranges. He eats one and gives another to Ted. Calculate the sun's mass.
In class: 1+1=2
Exercises: 1+2+1=4
Test: John buy 4 oranges. He eats one and gives another to Ted. Calculate the sun's mass.
