0.9-(2.1-2.05 -0.4)怎么算
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0.9-(2.1-2.05-0.4)怎么算0.9-(2.1-2.05-0.4)怎么算0.9-(2.1-2.05-0.4)怎么算=0.9-(2.1-2.05)+0.4=1.3-0.05=1.250.9-
0.9-(2.1-2.05 -0.4)怎么算
0.9-(2.1-2.05 -0.4)怎么算
0.9-(2.1-2.05 -0.4)怎么算
=0.9-(2.1-2.05)+0.4
=1.3-0.05
=1.25
0.9-(2.1-2.05 -0.4)
=0.9-(0.05-0.4)
=0.9+0.35
=1.25