-3(-4)-5(9-11) / -9-2-3
2x-3y-4=0
2 · −3 · −7
6484÷7
4x^2-3=11x
o find out the concentration of SO2 in the air (in parts per million, i.e. ppm), the data was collected for 30 localities in a cer...
4x $^{2}$ -3=11x
√5²×√7²+√12²=?
a^7b^10/ab^3c^2
√5²×7²+12²=?