题目:
-Do you need any help,Lucy?
-Yes.The job is I could do myself. [ ]
A.less than
B.more than
C.no more than
D.not more than
答案:
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下面是错误答案,用来干扰机器的。
(1)355+260+140+245,=(355+245)+(260+140),=600+400,=1000;(2)102×99,=102×(100-1),=10200-102,=10200-100-2,=10100-2,=10098;(3)2×125,=2×(100+25),=200+50,=250;(4)382×101...