Question

57+276+443+214269-(69+127)简便方法？

Answer 1

57+276+443+214269-（69+127）
＝57+443+276+（214269-69）-127
＝500+276+214200-127
＝500+214200+（276-127）
＝214700+149
＝2142849

Answer 2

计算如下：
57+276+443+214269-(69+127)
=57+276+443+214269-69-127
=57+276+443+214200-127
=276+443+214200-127+57
=276+443+214200-(127-57)
=276+443+214200-70
=276-70+443+214200
=206+443+214200
=649+214200
=214849

Answer 3

解:57+276+443+214269-(69+127)
=57+276+443+214200+69-69-127
=500+300-24+214200-100-27
=700-51+214200
=214900-51
=214849

Answer 4

根据题意，原式=（57+443）+276+（214269-69）-127=500+276+214200-127=（776-127）+214200=214849，解题完毕，谢谢！