2008×2007分之2006(用简便方法计算)
人气:476 ℃ 时间:2019-11-06 23:14:36
解答
2008×2007分之2006
=(2007+1)×2007分之2006
=2007×2006/2007+1×2006/2007
=2006+2006/2007
=2006又2006/2007
推荐
猜你喜欢
- The girl is so short that she can't reach the apple (改为同义句)
- 新目标英语八年级上册24页有这样一句话she's ill in the hospital.in the hospital
- 已知抛物线y=x²-4x+a的顶点在直线y=-4x-1上,求抛物线的顶点坐标
- 若|x|=x²,则x= ;若x²-2x-2=(x²-4x+3)º(注:零次方
- 去括号,合并同类项的法则,化简:-7a+2(a-2)-3(1-a)
- 为什么电容器在充电时,其端电压逐渐由低变高,充电电流逐渐由大变小.
- 在三角形ABC中,2sinA(cosB+cosC)=3(sinB+cosC),若a=根号下61,b+c=9,求b,c
- he has lived here for 3 years 和he has been lived here for 3 years .的区别?