作业帮计算：5*6*7*8*9分之1*2*3*4*5+5*6*7*8*9aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaasssssssssssssssssssssssssssssssssssssssssssssa
来源：学生作业帮助网 编辑：作业帮 时间：2024/05/11 17:23:39
计算：5*6*7*8*9分之1*2*3*4*5+5*6*7*8*9aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaasssssssssssssssssssssssssssssssssssssssssssssa
计算：5*6*7*8*9分之1*2*3*4*5+5*6*7*8*9
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ssssssssssssssssssssssssssssssssssssssssssssa
计算：5*6*7*8*9分之1*2*3*4*5+5*6*7*8*9aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaasssssssssssssssssssssssssssssssssssssssssssssa
(1*2*3*4*5+5*6*7*8*9)/(5*6*7*8*9)
=(1+7*2*9)*(4*5*6)/(5*6*7*8*9)
=127/126
原式=（1*2*3*4*5）/（5*6*7*8*9）+（5*6*7*8*9）/（5*6*7*8*9）
=2*7*9+1
=127
(1*2*3*4*5+5*6*7*8*9)/(5*6*7*8*9)
=(1*2*3*4*5)/(5*6*7*8*9)+1
=1/126+1
=127/126
1*2*3*4*5+5*6*7*8*9/5*6*7*8*9=1*4*5*6+5*6*7*8*9/5*6*7*8*9=5*6*(4+7*8*9)/5*6*7*8*9=4+7*8*9/7*8*9=1+4/7*8*9=1+1/126
原式=(1*2*3*4*5)/(5*6*7*8*9)+(5*6*7*8*9)/(5*6*7*8*9)
=120/15120+1
=1/126+1
=127/126