425﹣198=
40×12.5%=
0.57+0.3=
28÷0.28=
我们平时看到的幻灯片以每张秒的速度连续播放,请你算一算1分钟能播放几张幻灯片?
1÷0.25= 15×60= 72×25%=
1.1-0.01= 12÷ =
24×( )=
0.125+= ﹣= 8×75%= 3÷=
2﹣20%= 0.72÷0.8= ×= 5%÷=
0.45×0.8 = 5.6÷10 =
3.1+0.4= += 640÷16= ×3×4=
10÷= ×= 2.4×= 25×40%=