下面是小红和小丽两人1600米赛跑的行程图.
看图回答问题:
(1)跑完全程小丽用了 分钟.
(2)小红到达终点后,小丽再跑 分钟才能到达终点.
(3)小红和小丽每分钟的平均速度分别是多少米?
(4)几分钟后两人相距200米?
直接写得数.
+
= 1﹣
=
+
=
﹣
=
1﹣28%=
×16=
×
= 36÷
=
÷
= 25×40%=
直接写出得数.
40×0.25= 1.25×0.8= 0.1÷0.01=0.6+1.9=
3.5﹣2.25= 12.8÷4=
+
=
﹣
=
12×
= 1÷
=
×
=
÷
=
直接写出得数
1﹣0.375= 0.125×8= 280﹣45= 1.3÷0.25=
400÷600= 8.64×100=
+
=
﹣
=
×
=
÷
= 12×
= 6÷
=
直接写出得数
0.5×400= 568﹣198=
÷
=
1÷
﹣
÷1=
×12= 1.7+3.03=
13.5﹣5= 10﹣
﹣
=
24×0.5=
+
= 6﹣6÷6= 20×20%=
0.33= 7.2÷0.08= 4÷
= 12.5×6.4=
﹣
= 121×
=