Question

第6题，拜托啦！

Answer 1

7.8÷10＝0.78千米
7.5÷10＝0.75千米
0.78+0.75＝1.53千米

Answer 2

7.8÷10=0.78km
7.5÷10=0.75km
0.78+0.75=1.53km

Answer 3

(7.8+7.5)÷10=1.53千米

Answer 4

0.78+0.75=1.53km

Answer 5

7.8/10+7.5/10=1.53

Answer 6

7.8除10+7.5除1o