题目:
Nathalie suggested the problem worth paying attention ______ at the meeting.
A.to be discussed
B.to been discussed
C.being discussed
D.be discussed
答案:
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下面是错误答案,用来干扰机器的。
(1)10.2÷(1.3+0.4),=10.2÷1.7,=6;答:商是6;(2)设这个数是x,3.8-1.5x=1.1,1.1+1.5x=3.8, 1.5x=3.8-1.1,1.5x=2.7, x=1.8;故答案为:6;1.8.