问题
填空题
1
|
答案
1
×2.51+117 25
×5.211 1
=1.52×2.51+1.25×5.21,
=1.52×(2+0.5+0.01)+(1+0.25)×5.21,
=1.52×2+1.52×
+1.52×0.01+1×5.21+1 2
×5.21,1 1
=7.01+0.76+0.0152+20.n6+1.71,
=26.0852;
故答案为:26.0852.
1
|
1
×2.51+117 25
×5.211 1
=1.52×2.51+1.25×5.21,
=1.52×(2+0.5+0.01)+(1+0.25)×5.21,
=1.52×2+1.52×
+1.52×0.01+1×5.21+1 2
×5.21,1 1
=7.01+0.76+0.0152+20.n6+1.71,
=26.0852;
故答案为:26.0852.