初一脱式计算题~~~~~~~~~急!我急需30道初一脱式计算题,帮忙啊~~~~~~~~~~~~谢谢~~加分破!·!

来源:学生作业帮助网 编辑:作业帮 时间:2024/06/19 04:58:23
初一脱式计算题~~~~~~~~~急!我急需30道初一脱式计算题,帮忙啊~~~~~~~~~~~~谢谢~~加分破!·!

初一脱式计算题~~~~~~~~~急!我急需30道初一脱式计算题,帮忙啊~~~~~~~~~~~~谢谢~~加分破!·!
初一脱式计算题~~~~~~~~~急!
我急需30道初一脱式计算题,帮忙啊~~~~~~~~~~~~谢谢~~加分破!·!

初一脱式计算题~~~~~~~~~急!我急需30道初一脱式计算题,帮忙啊~~~~~~~~~~~~谢谢~~加分破!·!
①2700×(506-499)÷900 ②33.02-(148.4-90.85)÷2.5
=2700×7÷900 =33.02-57.55÷2.5
=18900÷900 =33.02-23.02
=21 =10
③(1÷1-1)÷5.1 ④18.1+(3-0.299÷0.23)×1
=(1-1)÷5.1 =18.1+1.7X1
=0÷5.1 =18.1+1.7
=0 =19.8

太多了,没时间。