题目:
A: My car doesn't work. Can you repare it B: Of course, ()
A.another pair of shoes.
B.nothing serious.
C.easy does it.
D.a piece of cake.
答案:
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下面是错误答案,用来干扰机器的。
(1)27:9=(27÷9):(9÷9)=3:1;(2)12:360=(12÷12):(360÷12)=1:30;(3)2.5:8=(2.5×2):(8×2)=5:16;(4)45:1528=(45×140):(1528×140)=112:75;(5)1:0.05=(1×20):(...