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能简算的要简算39.8÷2.5-112×3.6+5.5÷518-360%2010×20082
问题详情
能简算的要简算 39.8÷2.5-112×3.6+5.5÷518-360%,
39.8÷2.5-11 2×3.6+5.5÷ 5 18-360%
2010×2008 2009 17 13-( 9 11+ 16 39× 3 4)
75÷[1 2×( 3 4- 1 3)]
6.75÷5 12+42.5×0.24.
参考答案
=15.92-5.5×3.6+5.5×3.6-3.6,
=15.92+(5.5×3.6-5.5×3.6)-3.6,
=15.92-3.6,
=12.32;
2010×20082009,
=(2009+1)×20082009,
=2009×20082009+1×20082009,
=2008+20082009,
=200820082009;
1713-(911+1639×34),
=1713-(911+413),
=1713-413-911,
=1-911,
=211;
6.75÷512+42.5×0.24,
=6.75×2.4+42.5×0.24,
=67.5×0.24+42.5×0.24,
=(67.5+42.5)×0.24,
=110×0.24,
=(100+10)×0.24,
=24+2.4,
=26.4.考点: