8+9×20÷(5÷3)
find the value of four times -2
2+2
find the value of for times -2
find the value of twice negative 3
36+12-(8-5)
find the sum of -3 -3 and -3
evaluate 2 $^{6}$
take away +8 from-7
work out 20.5 x 3.5
