—What's that on your desk, Linlin?
—It's a new travel p____.
a=3K,b=3K,c=3 2 K.
7 18 +1.875=____ 19÷23 =____ 7.2÷8=____ 45×15 =____
34×15 ÷ 34×15 =____ 60÷(1-40%)=____ 48÷(1+20%)=____ 34 -25%=____