8又四分之三加88又四分之三加888四分之三加8888四分之三 用简便方法计算
人气：314 ℃ 时间：2020-03-31 06:04:54
解答
8又四分之三加88又四分之三加888四分之三加8888四分之三
=8+88+888+8888+4*3/4
=8*（1+11+111+1111）+3
=8*（1000+100*2+10*3+1*4）+3
=8000+9600+240+32+3
=17875
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