9.25乘9.9加百分之92.5
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/07 22:37:37
![9.25乘9.9加百分之92.5](/uploads/image/f/411413-5-3.jpg?t=9.25%E4%B9%989.9%E5%8A%A0%E7%99%BE%E5%88%86%E4%B9%8B92.5)
=0.25×(45+56-1)=0.25×100=25再答:25%=1/4=0.25再问:这个我知道再问:谢了
60%X+15=4060%X=25X=25/60%=125/3
(4-b)×40%+60b%=28/5-2b/5+3b/5=2b/5=2-8/5b=2要在前面写个“解”^_^作业要自己做呀!
56乘0.18加百分之18乘44=0.18X(56+44)=0.18X100=18
70/100x+(30-x)*50/100=30*65/1007x/10+15-0.5x=19.50.2x=4.52x=45x=45/2x=22.5
6.8乘37.5+375%乘32=6.8x10x3.75+3.75x32=(68+32)x3.75=100x3.75=375
=9.25*9.9+9.25*0.1=9.25*(9.9+0.1)=92.5
大哥你这括号在哪啊若为8/3*20%+37.5%*0.8+8/5,结果为73/30若为8/3*(20%+37.5%)*0.8+8/5,结果为212/75
=8.6×2.7+62×0.14+3.5×8.6=8.6×(2.7+3.5)+6.2×1.4=8.6×6.2+6.2×1.4=(8.6+1.4)×6.2=10×6.2=62
很高兴为您解答!请点击下面的【选为满意回答】按钮,再问:还有个减百分之80看清题再答:对,那就在后面-0.8=0.8*7.7+3.3*0.8-0.8=0.8*(7.7+3.3-1)=0.8*10=8很
57乘百分之75加44乘0.75减4分之3=57*0.75+44*0.75-0.75=(57+44-1)*0.75=100*0.75=75
5分之1*24+176*20%=20%*24+176*20%=(24+176)*0.2=200*0.2=40
您好:三乘百分之二十五加百分之十二的和减百分之二十五=25%x(3-1)+0.12=0.25x2+0.12=0.5+0.12=0.62请采纳【最快回答】的【正确答案】.右上角好评~手机提问者在客户端右
是这个吗 题对不对
(3/8)*(1/4)+(5/8)*(25/100)=(3/8)*(1/4)+(5/8)*(1/4)=[(3/8)+(5/8)]*(1/4)=1/4
75×60%+24×¾+0.6=¾×60+24×¾+0.6=¾×84+0.6=63.6
7/12x0.86+14%x7/12=7/12x(0.86+0.14)=7/12x1=7/12
百分之21乘x加百分之42等于百分之18乘x减3两边同乘以100得:21x+42=18(x-3)3x=-96x=-32再问:为什么(x-3)有括号?再答:百分之21乘x加百分之42等于百分之18乘x减