口算.2.5+3.7=12-0.8=0.64-0.06=0.69+2.31=2.36+8.7=9.8-8.9=0.52+0.4=0.83+1.7=0.87-0.46=

发布时间:2020-07-30 21:01:26

口算.
2.5+3.7=12-0.8=0.64-0.06=0.69+2.31=2.36+8.7=9.8-8.9=0.52+0.4=0.83+1.7=0.87-0.46=0.08+5.92=

网友回答

解:2.5+3.7=6.212-0.8=11.20.64-0.06=0.580.69+2.31=32.36+8.7=11.069.8-8.9=0.90.52+0.4=0.920.83+1.7=2.530.87-0.46=0.410.08+5.92=6故
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