求(1+0.12+0.34)乘(0.12=0.34=0.56)-(1=0.12=0.34=0.56)乘(0.12+0.3
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求(1+0.12+0.34)乘(0.12=0.34=0.56)-(1=0.12=0.34=0.56)乘(0.12+0.34)的
(1+0.12+0.34)乘(0.12=0.34=0.56)-(1=0.12=0.34=0.56)乘(0.12+0.34)?
应该是(1+0.12+0.34)乘(0.12+0.34+0.56)-(1+0.12+0.34+0.56)乘(0.12+0.34) 吧!
(1+0.12+0.34)乘(0.12+0.34+0.56)-(1+0.12+0.34+0.56)乘(0.12+0.34)
=(1+0.12+0.34)*(0.12+0.34+0.56)-(0.12+0.34+0.56)*(0.12+0.34) -1*(0.12+0.34)
=[(1+0.12+0.34)-(0.12+0.34)]*(0.12+0.34+0.56) -(0.12+0.34)
=(0.12+0.34+0.56) -(0.12+0.34)
=0.56
应该是(1+0.12+0.34)乘(0.12+0.34+0.56)-(1+0.12+0.34+0.56)乘(0.12+0.34) 吧!
(1+0.12+0.34)乘(0.12+0.34+0.56)-(1+0.12+0.34+0.56)乘(0.12+0.34)
=(1+0.12+0.34)*(0.12+0.34+0.56)-(0.12+0.34+0.56)*(0.12+0.34) -1*(0.12+0.34)
=[(1+0.12+0.34)-(0.12+0.34)]*(0.12+0.34+0.56) -(0.12+0.34)
=(0.12+0.34+0.56) -(0.12+0.34)
=0.56
求(1+0.12+0.34)乘(0.12=0.34=0.56)-(1=0.12=0.34=0.56)乘(0.12+0.3
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