3+4−5×4= 3+4-5\times4= 3+4−5×4=
According to the rules regarding the order of arithmetic operations, we first solve the multiplication exercise:
5×4=20 5\times4=20 5×4=20
We obtain the following exercise:
3+4−20= 3+4-20= 3+4−20=
We then solve the exercise from left to right:
3+4=7 3+4=7 3+4=7
7−20=−13 7-20=-13 7−20=−13
13-