Question

3.61/（7.2-5.3）*30 36/【1.44*（0.1-0.05）】 （16.5*3+3*7.5）/6 全部简算

Answer 1

3.61/1.9*30

=1.9^2/1.9*30

=1.9*30

=57

36/(1.44*0.05)

=36/(1.2^2*0.05)

=36/(6^2*0.2^2*0.05)

=1/(0.04*0.05)

=10000/20

=500

(16.5*3+3*7.5)/6

=(16.5+7.5)*3/6

=24/2

=12