50道四则运算题目加答案
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题还够吧!9405-2940÷28×21920-1680÷40÷7690+47×52-398148+3328÷64-75360×24÷32+7302100-94+48×5451+(2304-2042)
1.8/7×21/16+1/22.101×1/5–1/5×213.(23/4-3/4)*(3*6+2)4.3/7×49/9-4/35.8/9×15/36+1/276.12×5/6–2/9×37.8×5
这里有几个.可以看看!希望对你有帮助!Therearesevendaysinaweek.TheyareSundayMondayTuesdayWednesdayThursdayFridaySaturda
5×7-2-9=24
Thebrainreceivesinformationfromtheoutsidewordthroughthesensory(感觉的)system.Thisinformationiscollected
在初等数学中,当一级运算(加减)和二级运算(乘除)同时出现在一个式子中时,它们的运算顺序是先乘除,后加减,如果有括号就先算括号内后算括号外,同一级运算顺序是从左到右.这样的运算叫四则运算,连同三级运算
31.50+160÷40(58+370)÷(64-45)32.120-144÷18+3533.347+45×2-4160÷5234(58+37)÷(64-9×5)35.95÷(64-45)36.178
1.125*3+125*5+25*3+252.9999*3+101*11*(101-92)3.(23/4-3/4)*(3*6+2)4.3/7×49/9-4/35.8/9×15/36+1/276.12×
《水浒传》知识题一、填空:1.曾在寺院侍弄过菜园子的梁山好汉有(鲁智深、陶宗旺).2.梁山好汉中,谁获得过宋徽宗御笔亲写的赦书(燕青).3.高俅发迹之前一贯浪荡厮混,先后在几处帮闲,正确的顺序是(柳大
1+2-3+4+5+6*7=512-3+4+5+6*7+1=513+4+5+6*7-1-2=514+5+6*7+1+2-3=515+6*7+1+2-3+4=516*7+1+2-3+4+5=51(7*1
百度知道多是答题的人,求题目的话比较难,建议自己到百度文库找找看吧.
1.3/7×49/9-4/32.8/9×15/36+1/273.12×5/6–2/9×34.8×5/4+1/45.6÷3/8–3/8÷66.4/7×5/9+3/7×5/97.5/2-(3/2+4/5)
1设去掉十万位的数为x则原数为100000+x,后来的数为10x+1则3(100000+x)=10x+1解得x=42857即原数为100000+x=100000+42857=1428572设甲有x只羊
24.6+4.6-6.074.8÷0.24×2.347.82+0.56×0.943.2-15.6÷0.31.8×[1700÷(2-0.3)]1.42-0.36÷6×0.649.5×0.2-2.07÷2
3.4-1.4=7.82-7.2=2.19+9.1=10.1-0.89=0.68+0.42=8.1-5.1=0.728-0.24=0.8+0.18=0.89-0.25=1-0.98=0.048+0.5
1.125*3+125*5+25*3+252.9999*3+101*11*(101-92)3.(23/4-3/4)*(3*6+2)4.3/7×49/9-4/35.8/9×15/36+1/276.12×
9405-2940÷28×21920-1680÷40÷7690+47×52-398148+3328÷64-75360×24÷32+7302100-94+48×5451+(2304-2042)×2342
再答:给个好评呗亲
1.3/7×49/9-4/32.8/9×15/36+1/273.12×5/6–2/9×34.8×5/4+1/45.6÷3/8–3/8÷66.4/7×5/9+3/7×5/97.5/2-(3/2+4/5)
x^2+xy+y^2=0x^2=-y(x+y)y^2=-x(x+y)所以x/(x+y)=-y/xy/(x+y)=-x/y而(x/y)^2+x/y+1=0所以(x/y)^3=1同样(y/x)^3=1`所