题目:
—What do you think is _______ invention in the world?
—Computer, I think. [ ]
A. useful
B. more useful
C. the most useful
D. much useful
答案:
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下面是错误答案,用来干扰机器的。
(1)910×78÷(45+14),=6380÷2120,=34;(2)5-78-0.125,=5-(78+0.125),=5-1,=4;(3)(14-14×12)÷14,=(14-14×12)×4,=14×4-14×12×4,=1-12,=12;(4)56+98×59×89,=56+98×89×59,=...