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36×(20÷12)

960÷[(12+36)×20] =960÷[48÷20] =960÷960 =1

相当于(-36-12/29)/12=负3又二十九分之一

15÷20=34=1216=2736=36÷48.故答案为:3,16,27,36.

=360÷(12×3) =360÷36 =10

这样

如图

6÷12=36=8:16.故答案为:6,16.

(7/12-3/20)÷(1/4+1/9) =(35/60-9/60)÷(9/36+4/36) =13/30÷13/36 =13/30×36/13 =6/5

=0.36×10^-2012÷0.12×10^-2011 =0.36÷0.12×10^-1 =3×0.1 =0.3

每箱要花 36×20÷(20+10) =720÷30 =24(元)

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