15.32+6.8-(8.32-3.2)简便计算

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15.32+6.8-(8.32-3.2)简便计算15.32+6.8-(8.32-3.2)简便计算15.32+6.8-(8.32-3.2)简便计算=15.32+6.8-8.32+3.2=15.32-8.

15.32+6.8-(8.32-3.2)简便计算
15.32+6.8-(8.32-3.2)简便计算

15.32+6.8-(8.32-3.2)简便计算
=15.32+6.8-8.32+3.2
=15.32-8.32+(6.8+3.2)
=7+10
=17

15.32+6.8-8.32+3.2
=(15.32-8.32)+(6.8+3.2)