填空。:E8U3c;q2l5v1z:}1{1x
(1) 33厘米-10厘米='C)\2c+_9Z5g-A厘米:E8U3c;q2l5v1z:}1{1x
(2) 1n6b9e2T3I4^8u)t+y4Y2w厘米+9厘米=39厘米:E8U3c;q2l5v1z:}1{1x
(3) 6]4V5k,g6P1F7O1X(D厘米-5厘米=38厘米:E8U3c;q2l5v1z:}1{1x