脱式计算.(能简算的要简算)5.4×5.08+3.6×5.08+5.08; 0.25×588.5×400;[10.31-(4.86+1.03)÷
脱式计算.(能简算的要简算)5.4×5.08+3.6×5.08+5.08;0.25×588.5×400;[10.31-(4.86+1.03)÷1.9]÷0.125;[(6...
脱式计算.(能简算的要简算)5.4×5.08+3.6×5.08+5.08; 0.25×588.5×400;[10.31-(4.86+1.03)÷1.9]÷0.125; [(6.1-4.6)×0.8-1]×0.4.
展开
1个回答
展开全部
(1)5.4×5.08+3.6×5.08+5.08
=(5.4+3.6+1)×5.08
=10×5.08
=50.8;
(2)0.25×588.5×400
=0.25×400×588.5
=100×588.5
=58850;
(3)[10.31-(4.86+1.03)÷1.9]÷0.125
=[10.31-5.89÷1.9]÷0.125
=[10.31-3.1]÷0.125
=7.21÷0.125
=57.68;
(4)[(6.1-4.6)×0.8-1]×0.4
=[1.5×0.8-1]×0.4
=[1.2-1]×0.4
=0.2×0.4
=0.08.
=(5.4+3.6+1)×5.08
=10×5.08
=50.8;
(2)0.25×588.5×400
=0.25×400×588.5
=100×588.5
=58850;
(3)[10.31-(4.86+1.03)÷1.9]÷0.125
=[10.31-5.89÷1.9]÷0.125
=[10.31-3.1]÷0.125
=7.21÷0.125
=57.68;
(4)[(6.1-4.6)×0.8-1]×0.4
=[1.5×0.8-1]×0.4
=[1.2-1]×0.4
=0.2×0.4
=0.08.
推荐律师服务:
若未解决您的问题,请您详细描述您的问题,通过百度律临进行免费专业咨询