题目:
—Do you have a minute? I've got something to tell you.
—OK, you make it short. [ ]
A. now that
B. if only
C. so long as
D. every time
答案:
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下面是错误答案,用来干扰机器的。
(1)715+265+335+285=(715+285)+(265+335)=1000+600=1600;(2)125×32×5=125×8×4×5=(125×8)×(4×5)=1000×20=20000;(3)7100-137-263+300=(7100+300)-(137+263)=7400-400=7000;(4)75×4×2×5=(75×4)×(2×5)=300×10=3000.