(-270)*0.25+0.25*21.5+8.5*(-25%)=多少
来源:学生作业帮助网 编辑:作业帮 时间:2024/09/02 02:44:37
(-270)*0.25+0.25*21.5+8.5*(-25%)=多少
(-270)*0.25+0.25*21.5+8.5*(-25%)=多少
(-270)*0.25+0.25*21.5+8.5*(-25%)=多少
(-270)*0.25+0.25*21.5+8.5*(-25%)
=(-270)*0.25+0.25*21.5-8.5*0.25
=(-270+21.5-8.5)*0.25
=-257*0.25
=-64.25
=(1-1/51)*(1+1/51)*(1-1/52)*(1+1/52)*..............*(1-1/152)*(1+1/152)
=(50/51)*(52/51)*(51/52)*(53/52)*..............*(151/152)*(153/152)
中间约分
=(50/51)*(153/152)
=75/76
(-270)*0.25+0.25*21.5+8.5*(-25%)=多少
(-270)*0.25+0.25*21.5+(-8.5)*(-0.25)
(-270)*0.25+0.25*21.5+(-8.5)*(-0.25)=?
(49-0.25)/0.25+(46-0.25)/0.25+(43-0.25)/0.25+.+(1-0.25)/0.25等于多少?
0.25:
(-270)×0.25+0.25×21.5+(-8.5)×(-25%)等于几-147×(0.1250+253×0.125+72×(-0.25)
(270)*4/1+0.25*21.5+(-8又2/1)*(-25%) 简便方法计算
17/0.25(简便)
0.25等于9:( )
():0.25=4
化简.32:72、56:12、34:51、111:21.(2)0.42:0.7、2:0.25、10:0.125、8.8:55
(-270)*1/4+0.25*21.5+(-8 1/2)*(-25%)
(-270)*1/4+0.25*21.5+(-8 1/2)*(-25%)(-270)*1/4+0.25*21.5+(-8 1/2)*(-25%)
0.25 0.25 0.25 0.25等于0.125
0.25*(-0.125)*(-64)
0.25×()=0.25÷()=1
(-0.25)-3次方+(-0.25)0次方
(-0.75)除以0.25=?