甲乙两人在匀速上升的自动扶梯从底部向顶部行走，甲每分钟走扶梯的级数是乙的2倍；当甲走了36级到达顶部，而乙则走了24级到顶部。那么，自动扶梯有多少级露在外面？
直接写出得数．
﹣0.01= 1.53+47=
+
=
÷9=
×
=
+0.75=
÷
= 1﹣25%=
0.6÷
= 125×8=
×1.8= 0.8÷1.6=
（
﹣
）×12= 402﹣62﹣38= 752﹣598= 99+999+2=
直接写出得数．
①14÷21= ②5﹣1.47﹣2.53= ③
÷8=
④
﹣
= ⑤
÷
﹣
= ⑥
×0.2=
直接写出得数．
1.87+5.3= 2.5×2.4=
+
=
×
=
1
= 7.2×
= 8﹣3= 15.16+9
=
0.092= 24×4%= 3.1﹣0.16﹣0.94=
÷
= 3.4÷0.17=
×÷
×
=
0.63+0.7= 3﹣1.06=
=
= 0.6÷6=
540÷60= 0.125×16= 3.14×8=
= 6
=