A.6 B.12 C.24 D.36
A.面积 B.侧面积 C.表面积 D.容积
1-0.01= 25×4= 975×0= 12.5×8=
+ = 1- = - = + =
①1- +
② +( + )
③1- -
④ + +
⑤ + + +
⑥1-( - )