直接写出得数。0Z'x.e1Q7l0F-a4@+[
17 ×20=7G+`-[ 160 ×5=1I)U3B-q0Y1A5n.U1v0Z'x.e1Q7l0F-a4@+[
440÷ 40='@3l']6J2A.^2u;~)d8j 960÷80=2B4b,y6N)W-G5e)Q6|0Z'x.e1Q7l0F-a4@+[
15 ×40=/]2u5t)p 93 ÷31=/})w7f-v0Z'x.e1Q7l0F-a4@+[
300 ÷50=5G,T8c+e 150÷50×4=-j7h(F3R*D0b*z6c2R8]0Z'x.e1Q7l0F-a4@+[