问题 填空题
求值:(-1.8)0+(
3
2
)-2-
1
0.01
+lg4+2lg5=______.
答案

(-1.8)0+(

3
2
)-2-
1
0.01
+lg4+2lg5

=1+(

2
3
)2-
1
0.1
+2(lg2+lg5)

=1+

4
9
-10+2lg10

=1+

4
9
-10+2

=-

59
9

故答案为-

59
9

综合

读图,回答问题:

(1)有5000吨的货物要从香港运往荷兰的鹿特丹。请参考“中国主要国际航海线图”和“亚欧铁路大陆

    桥示意图”,设计两条具体详细且不重复的运输线路,再根据所学知识对两条线路的优点和不足分别

    进行评价。

                                                                                                                                                                 

                                                                                                                                                                

                                                                                                                                                                 

                                                                                                                                                                 

                                                                                                                                                                 

                                                                                                                                                                 

                                                                                                                                                                 

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