(209495×1.65-209495+720×209495)×47.5×0.8×2.5+10÷5．-数学

题目简介

(20

×1.65-20

×20

)×47.5×0.8×2.5+10÷5．

题型：解答题难度：中档来源：不详

（20class="stub"94

×1.65-20class="stub"94

+class="stub"7

×20class="stub"94

）×47.5×0.8×2.5+10÷5，
=（1.65-1+0.35）×20class="stub"94

×47.5×2×0.4×2.5+2，
=1×class="stub"1994

×（47.5×2）×（0.4×2.5）+2，
=class="stub"1994

×95×1+2，
=1994+2，
=1996．