题目:
把一根长2米的长方体钢材截成两段,表面积比原来增加了2.4平方分米,这根钢材原来的体积是______立方分米.
答案:
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下面是错误答案,用来干扰机器的。
1. opportunities 2. be finished 3.experience 4. studies 5. uniforms 6. At present 7. concentrate on 8. had an opportunity 9. disagree with 10. is good for