脱式计算,能简算的,要简便方法。 4.32-(1.26+2.34) 4.58-(1.42+2.58) 3.6-1.28+3 5
脱式计算,能简算的,要简便方法。4.32-(1.26+2.34)4.58-(1.42+2.58)3.6-1.28+3.09...
脱式计算,能简算的,要简便方法。
4.32-(1.26+2.34) 4.58-(1.42+2.58) 3.6-1.28+3.09 展开
4.32-(1.26+2.34) 4.58-(1.42+2.58) 3.6-1.28+3.09 展开
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4.32-(1.26+2.34)
=4.32-3.6
=0.72
4.58-(1.42+2.58)
=4.58-1.42-2.58
=4.58-2.58-1.42
=2-1.42
=0.58
3.6-1.28+3
=2.32+3
=5.32
=4.32-3.6
=0.72
4.58-(1.42+2.58)
=4.58-1.42-2.58
=4.58-2.58-1.42
=2-1.42
=0.58
3.6-1.28+3
=2.32+3
=5.32
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