46.72-(12.54+6.72+29.54)怎么巧算?
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46.72-(12.54+6.72+29.54)
=46.72-(12+0.54+6+0.72+29+0.54)
=46.72-(12+6+29)-(0.54+0.72+0.54)
=46.72-47-1.8
=47-0.28-47-1.8
=(47-47)-(0.28+1.8)
=-2.08
=46.72-(12+0.54+6+0.72+29+0.54)
=46.72-(12+6+29)-(0.54+0.72+0.54)
=46.72-47-1.8
=47-0.28-47-1.8
=(47-47)-(0.28+1.8)
=-2.08
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有关于这个算式46.72-(12.54+6.72+29.54)的简便计算,步骤如下:
46.72-(12.54+6.72+29.54)
=(46.72-6.72)+(29.54-12.54)
=40+17
=57
46.72-(12.54+6.72+29.54)
=(46.72-6.72)+(29.54-12.54)
=40+17
=57
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46.72-(12.54+6.72+29.54)
=46.72-6.72-(10.5+29.5+2.04+0.04)
=40-42.08
=-2.08
=46.72-6.72-(10.5+29.5+2.04+0.04)
=40-42.08
=-2.08
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46.72-(12.54+6.72+29.54)
=46.72-6.72-(12.54+29.54)
=40-42.08
=-2.08
=46.72-6.72-(12.54+29.54)
=40-42.08
=-2.08
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46.72—(12.54+6.72+29.54)
=46.72—6.72—(12.54+29.54)
=40—42.08
=—2.08
=46.72—6.72—(12.54+29.54)
=40—42.08
=—2.08
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