（1）70.8-7.25-1.752O)Q3^2[4m(r0I
算式：提示-~5}3C,_2O)Q3^2[4m(r0I
=0f'?4D+O+A2O0g2O)Q3^2[4m(r0I
（2）5.81+8.3+4.19+11.72O)Q3^2[4m(r0I
算式：提示)o8K5f8A7L2O)Q3^2[4m(r0I
=3e,u)d'e0{0V8k,Z/^(E2`-I2O)Q3^2[4m(r0I
（3）0.05×0.4×20×1.72O)Q3^2[4m(r0I
算式：提示,D2G1d4s)G+`1Y4Y2O)Q3^2[4m(r0I
=4c;y)J3z-R6M9l)q8b5_2O)Q3^2[4m(r0I
（4）4.87×2.34+4.87×7.662O)Q3^2[4m(r0I
算式：提示.{8^'L9C)V9i;R.]'P2O)Q3^2[4m(r0I
=,o,e6Z4V/u;h;{1g4w2O)Q3^2[4m(r0I