简算,并写出简算过程.23-12/17-5/1744×(5/11+3/4)7.5×46.7+52.3×7.5+7.5注意:/=几分之几
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![简算,并写出简算过程.23-12/17-5/1744×(5/11+3/4)7.5×46.7+52.3×7.5+7.5注意:/=几分之几](/uploads/image/z/5901693-69-3.jpg?t=%E7%AE%80%E7%AE%97%2C%E5%B9%B6%E5%86%99%E5%87%BA%E7%AE%80%E7%AE%97%E8%BF%87%E7%A8%8B.23-12%2F17-5%2F1744%C3%97%EF%BC%885%2F11%2B3%2F4%EF%BC%897.5%C3%9746.7%2B52.3%C3%977.5%2B7.5%E6%B3%A8%E6%84%8F%EF%BC%9A%2F%3D%E5%87%A0%E5%88%86%E4%B9%8B%E5%87%A0)
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简算,并写出简算过程.23-12/17-5/1744×(5/11+3/4)7.5×46.7+52.3×7.5+7.5注意:/=几分之几
简算,并写出简算过程.
23-12/17-5/17
44×(5/11+3/4)
7.5×46.7+52.3×7.5+7.5
注意:/=几分之几
简算,并写出简算过程.23-12/17-5/1744×(5/11+3/4)7.5×46.7+52.3×7.5+7.5注意:/=几分之几
23-12/17-5/17
=23-1
=22
44×(5/11+3/4)
=44×5/11+44×3/4
=20+33
=53
7.5×46.7+52.3×7.5+7.5
=7.5×(46.7+52.3+1)
=7.5×100
=750