Question

四又五分之一乘25+32又七分之四除以4+0.25×124？

Answer 1

4又1/5×25+32又4/7÷4+0.25×124
=21/5×25+228/7÷4+1/4×124
=105+228/28+31
=136+57/7
=952/7+57/7
=1009/7

Answer 2

4*（1/5）*25+32*（4/7）/4+0.25*124
=4*5+32*（1/7）+0.25*124
=20+32*（1/7）+0.25*124
=55.57142857
保留两位小数为55.57。望采纳哦～

Answer 3

4又1/5×25+32又4/7÷4+0.25×124
=4.2×100×0.25+228/7×(1/4)+0.25×124
=420×0.25+57/7+0.25×124
=0.25×(420+124)+57/7
=0.25×544 + 57/7
=136 + 8又1/7
=144又1/7

Answer 4