第一题:17.48x37-174.8x1.9+17.48x82(脱式)
=
第二题:0.125x0.25x0.5x64(脱式)
=
17.48x37-174.8x1.9+17.48x82(脱式)
=17.48×37-17.48×19+17.48×82
=17.48×(37-19+82)
=17.48×100
=1748
第二题:0.125x0.25x0.5x64(脱式)
=0.125×0.25×0.5×(8×4×2)
=(0.125×8)×(0.25×4)×(0.5×2)
=1×1×1
=1
=17.48×37-17.48×19+17.48×82
=17.48×(37-19+82)
=17.48×100
=1748
第二题:0.125x0.25x0.5x64(脱式)
=0.125×0.25×0.5×(8×4×2)
=(0.125×8)×(0.25×4)×(0.5×2)
=1×1×1
=1
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第1个回答 2011-09-12
第一题:17.48x37-174.8x1.9+17.48x82(脱式)
=17.48x(37-19+82)
=17.48x(18+82)
=17.48x100
=1748
第二题:0.125x0.25x0.5x64(脱式)
=(0.125x8)x(0.25x4)x(0.5x2)
=1
=17.48x(37-19+82)
=17.48x(18+82)
=17.48x100
=1748
第二题:0.125x0.25x0.5x64(脱式)
=(0.125x8)x(0.25x4)x(0.5x2)
=1
第2个回答 2011-09-12
(1)=17.48*(37-19+82)=17.48*100=1748
(2)=0.125*4*o.25*4*0.5*4=0.5*1*2=1
(2)=0.125*4*o.25*4*0.5*4=0.5*1*2=1
第3个回答 2011-09-12
1.17.48*(37-19+82)=1748
2.0.5^6*2^6=1^6=1
2.0.5^6*2^6=1^6=1