这几道数学题要有过程,这是初中有理数乘除法的49又13/14x(-4) -1/3x2/5+(-1/3)x4/5 (-8)÷(-4又1/2)÷(-2又2/3) -32-4x1/4 (-36)x(5/9+1/4-5/6) -27÷9/4x(-4/9)+4-4x(-1/3) 3又1/7x(3又1/7-7又1/3
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![这几道数学题要有过程,这是初中有理数乘除法的49又13/14x(-4) -1/3x2/5+(-1/3)x4/5 (-8)÷(-4又1/2)÷(-2又2/3) -32-4x1/4 (-36)x(5/9+1/4-5/6) -27÷9/4x(-4/9)+4-4x(-1/3) 3又1/7x(3又1/7-7又1/3](/uploads/image/z/1270839-39-9.jpg?t=%E8%BF%99%E5%87%A0%E9%81%93%E6%95%B0%E5%AD%A6%E9%A2%98%E8%A6%81%E6%9C%89%E8%BF%87%E7%A8%8B%2C%E8%BF%99%E6%98%AF%E5%88%9D%E4%B8%AD%E6%9C%89%E7%90%86%E6%95%B0%E4%B9%98%E9%99%A4%E6%B3%95%E7%9A%8449%E5%8F%8813%2F14x%EF%BC%88-4%EF%BC%89+-1%2F3x2%2F5%2B%EF%BC%88-1%2F3%EF%BC%89x4%2F5+%EF%BC%88-8%EF%BC%89%C3%B7%EF%BC%88-4%E5%8F%881%2F2%EF%BC%89%C3%B7%EF%BC%88-2%E5%8F%882%2F3%EF%BC%89+-32-4x1%2F4+%EF%BC%88-36%EF%BC%89x%EF%BC%885%2F9%2B1%2F4-5%2F6%EF%BC%89+-27%C3%B79%2F4x%EF%BC%88-4%2F9%EF%BC%89%2B4-4x%EF%BC%88-1%2F3%EF%BC%89+3%E5%8F%881%2F7x%EF%BC%883%E5%8F%881%2F7-7%E5%8F%881%2F3)
这几道数学题要有过程,这是初中有理数乘除法的49又13/14x(-4) -1/3x2/5+(-1/3)x4/5 (-8)÷(-4又1/2)÷(-2又2/3) -32-4x1/4 (-36)x(5/9+1/4-5/6) -27÷9/4x(-4/9)+4-4x(-1/3) 3又1/7x(3又1/7-7又1/3
这几道数学题要有过程,这是初中有理数乘除法的
49又13/14x(-4) -1/3x2/5+(-1/3)x4/5 (-8)÷(-4又1/2)÷(-2又2/3) -32-4x1/4 (-36)x(5/9+1/4-5/6) -27÷9/4x(-4/9)+4-4x(-1/3) 3又1/7x(3又1/7-7又1/3)x7/22÷1又1/21 (-1/8+5/4-3/2+1/16)÷1/32
这几道数学题要有过程,这是初中有理数乘除法的49又13/14x(-4) -1/3x2/5+(-1/3)x4/5 (-8)÷(-4又1/2)÷(-2又2/3) -32-4x1/4 (-36)x(5/9+1/4-5/6) -27÷9/4x(-4/9)+4-4x(-1/3) 3又1/7x(3又1/7-7又1/3
1)=686/14x(-4)=-686/7
2)=-2/15-4/15=-2/5
3)=-8x8/9x3/8=24/9
4)=-32-1=-33
5)=-36x5/9-36x1/4+36x5/6=1
6)=16/3+4+4/3=6又2/3
7)=22/7x(-88/21)x7/22x21/22=-4
8)=-1/8x32+5/4x32-3/2x32+1/16x32=-4+40-48+2=-10
好复杂啊.. 怎么看都看不懂..
这些题还是你自己算的好
额
1)=686/14x(-4)=-686/7
2)=-2/15-4/15=-2/5
3)=-8x8/9x3/8=24/9
4)=-32-1=-33
5)=-36x5/9-36x1/4+36x5/6=1
6)=16/3+4+4/3=6又2/3
7)=22/7x(-88/21)x7/22x21/22=-4
8)=-1/8x32+5/4x32-3/2x32+1/16x32=-4+40-48+2=-10