0.63×4.5 4.5×2.47
来源:学生作业帮助网 编辑:作业帮 时间:2024/05/16 19:50:31
3:715:28:9
24/17>8/7>0,632>1又8>14/294/1>42/11>10/7>0.8>0.26
2.4-(-3/5)+(-3.1)+4/5=(2.4-3.1)+(3/5+4/5)=-0.7+7/5=-0.7+1.4=0.7(-6/13)+(-7/13)-(-2)=(-6/13-7/13)+2=-
6+5/18—(4+5/18—0.63)=(6-4)+(5/18-5/18)+0.63=2+0+0.63=2.63
Antsareverysmall,butcancarrybigthings.DoesJimoftencatchinsectsinthepark?Howdoesyourmotherspendherwee
11-(0.23+0.23+4.54)=6
4.2:0.63=20:36分之5:10=1:128分之3:20分之9=5:68分之7:0.45=35:18
4.54+2.68÷1.6-3.08=4.54+1.675-3.08=3.13516.27-﹙5.45+6.27﹚=16.27-6.27-5.45=10-5.45=4.554分之3×6分之7-5分之2
(1)5比?比8设前一个“?”为x,设后一个“?”为y,则5:x=y:8xy=5×8=40所以,可填的数有:1,40;4,10等(2)0.63比?比10设前一个“?”为a,设后一个“?”为b,则0.6
3÷5=0.6=60%0.25÷2=0.125=12.5%2.4÷0.6=4=400%2.16÷1.8=1.2=120%0.63÷2.1=0.3=30%
153.9-4.54-0.46=153.9-(4.54+0.46)=153.9-5=148.9
您好!2.4×5-4x=2.412-4x=2.412-2.4=4x9.6=4xx=9.6÷4x=2.4
5x+12=25.55x=13.5x=2.5
6又5/18-(4又5/18-0.63)=6又5/18-4又5/18+0.63=2+0.63=2.63
简便5分之1*百分之37+0.63*5分之1加4.4=1/5*0.37+0.63*1/5+4.4=1/5*(0.37+0.63)+4.4=0.2*1+4.4=4.6
0.37*0.37+2*0.63*0.37+0.63*0.63=(0.37*0.37+0.63*0.37)+(0.63*0.37+0.63*0.63)=0.37*(0.37+0.63)+0.63*(0
=0.63÷3.5x20.1x3.5一0.35=0.18x20.1x3.5一0.35=3.618x3.5一0.35=12.663-0.35=12.313再问:����20.1x3.5һ0.35�ü��
AC第1次、第2次闪光的时间间隔内移动了2m,平均速度为2m/s,即1.5秒瞬时速度为2m/s在第3次、第4次闪光的时间间隔内移动了8m,平均速度为8m/s,即3.5秒瞬时速度为8m/sC.从第2次闪
0.66循环0.63>8分之5>0.625%