几道数学题,简便运算,①、1又1/4x7又7/13×8+8x1又1/13x1.25-125%x1又3/13×8+4又12/13÷4/5②、(1/6+1/10-4/15)x1.01x99③、(96又63/73+36又24/25)÷(32又21/73+12又8/25)注:这道题要用分数线形式来做,分数线
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![几道数学题,简便运算,①、1又1/4x7又7/13×8+8x1又1/13x1.25-125%x1又3/13×8+4又12/13÷4/5②、(1/6+1/10-4/15)x1.01x99③、(96又63/73+36又24/25)÷(32又21/73+12又8/25)注:这道题要用分数线形式来做,分数线](/uploads/image/z/2640685-13-5.jpg?t=%E5%87%A0%E9%81%93%E6%95%B0%E5%AD%A6%E9%A2%98%2C%E7%AE%80%E4%BE%BF%E8%BF%90%E7%AE%97%2C%E2%91%A0%E3%80%811%E5%8F%881%2F4x7%E5%8F%887%2F13%C3%978%2B8x1%E5%8F%881%2F13x1.25-125%25x1%E5%8F%883%2F13%C3%978%2B4%E5%8F%8812%2F13%C3%B74%2F5%E2%91%A1%E3%80%81%EF%BC%881%2F6%2B1%2F10-4%2F15%EF%BC%89x1.01x99%E2%91%A2%E3%80%81%EF%BC%8896%E5%8F%8863%2F73%2B36%E5%8F%8824%2F25%EF%BC%89%C3%B7%EF%BC%8832%E5%8F%8821%2F73%2B12%E5%8F%888%2F25%EF%BC%89%E6%B3%A8%EF%BC%9A%E8%BF%99%E9%81%93%E9%A2%98%E8%A6%81%E7%94%A8%E5%88%86%E6%95%B0%E7%BA%BF%E5%BD%A2%E5%BC%8F%E6%9D%A5%E5%81%9A%2C%E5%88%86%E6%95%B0%E7%BA%BF)
几道数学题,简便运算,①、1又1/4x7又7/13×8+8x1又1/13x1.25-125%x1又3/13×8+4又12/13÷4/5②、(1/6+1/10-4/15)x1.01x99③、(96又63/73+36又24/25)÷(32又21/73+12又8/25)注:这道题要用分数线形式来做,分数线
几道数学题,简便运算,
①、1又1/4x7又7/13×8+8x1又1/13x1.25-125%x1又3/13×8+4又12/13÷4/5
②、(1/6+1/10-4/15)x1.01x99
③、(96又63/73+36又24/25)÷(32又21/73+12又8/25)注:这道题要用分数线形式来做,分数线当除号
④、5/9x79又6/17+50x1/9+11/9x5/17
简算哦,(答题时写清序号,非诚勿扰)
几道数学题,简便运算,①、1又1/4x7又7/13×8+8x1又1/13x1.25-125%x1又3/13×8+4又12/13÷4/5②、(1/6+1/10-4/15)x1.01x99③、(96又63/73+36又24/25)÷(32又21/73+12又8/25)注:这道题要用分数线形式来做,分数线
①、1又1/4x7又7/13×8+8x1又1/13x1.25-125%x1又3/13×8+4又12/13÷4/5
=1.25*(7+7/13+8+8/13-8-24/13+4+12/13)
=1.25*12
=15
②、(1/6+1/10-4/15)x1.01x99
=(1/6+1/10-4/15)*1.01*(100-1)
=0
③、(96又63/73+36又24/25)÷(32又21/73+12又8/25)注:这道题要用分数线形式来做,分数线当除号
=(96+63/73+36+24/25)/(32+21/73+12+8/25)=3;
④、5/9x79又6/17+50x1/9+11/9x5/17
=(5/9)(79+6/17+10+11/17)
=(5/9)*90
=50