
-(-4.7)-(-5.8)+(+3.2)-3.6-(-2.3)怎么算?
1个回答
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-(-4.7)-(-5.8)+(+3.2)-3.6-(-2.3)
=4.7+5.8+3.2-3.6+2.3
=4.7+2.3+5.8+3.2-3.6
=7+9-3.6
=12.4
=4.7+5.8+3.2-3.6+2.3
=4.7+2.3+5.8+3.2-3.6
=7+9-3.6
=12.4
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