(0.872+8.72×2.4+87.2)×8 简算

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(0.872+8.72×2.4+87.2)×8 简算
(0.872+8.72×2.4+87.2)×8 简算

(0.872+8.72×2.4+87.2)×8 简算
(0.872+8.72×2.4+87.2)×8
=(8.72×0.1+8.72×2.4+8.72×10)×8
=8.72×(0.1+2.4+10)×8
=8.72×12.5×8
=8.72×100
=872

(0.872+8.72×2.4+87.2)×8
=(8.72×0.1+8.72×2.4+8.72×10)×8
=8.72×(0.1+2.4+10)×8
=8.72×12.5×8
=8.72×100
=872

(0.872+8.72×2.4+87.2)×8
=0.872×(1+24+100)×8
=0.872×125×8
=0.872×1000
=872

=8.72×(0.1+1×2.4+10)×8
=8.72×(0.1+2.4+10)×8
=8.72×12.5×8
=8.72×(12.5×8)
=8.72×100
=872

(8.72×3×2.4)×8
=502.272
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