四又五分之一乘25+32又七分之四除以4+0.25×124?
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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
=21/5×25+228/7÷4+1/4×124
=105+228/28+31
=136+57/7
=952/7+57/7
=1009/7
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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~
=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~
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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
=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
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