计算下面各题。*K(W7A1Z.P5F7W8L;z
(1)65+219+35*K(W7A1Z.P5F7W8L;z
算式:提示0X(Y/K9s9B*N;n/W'u.`5o*K(W7A1Z.P5F7W8L;z
(2)160+253+140*K(W7A1Z.P5F7W8L;z
算式:提示2z6@6f5}5d'a)J;s*K(W7A1Z.P5F7W8L;z
(3)720+192+280*K(W7A1Z.P5F7W8L;z
算式:提示(t)C9|*y/k,`*l'\*K(W7A1Z.P5F7W8L;z