列综合算式计算(1)1350减去24与18的积,再加上541,得多少?(2)72与39的差乘45与35的和,积是多少?(3)48与142的和除以54减去35的差,商是多少?(4)45与54的积,减去214与86的和,差是多少?
第1个回答 2014-10-28
(1)1350-24×18+541
=1350-432+541
=918+541
=1459.
答:得1459.
(2)(72-39)×(45+35)
=33×80
=2640.
答:积是2640.
(3)(48+142)÷(54-35)
=190÷19
=10.
答:商是10.
(4)45×54-(214+86)
=2430-300
=2130.
答:差是2130.本回答被提问者采纳
=1350-432+541
=918+541
=1459.
答:得1459.
(2)(72-39)×(45+35)
=33×80
=2640.
答:积是2640.
(3)(48+142)÷(54-35)
=190÷19
=10.
答:商是10.
(4)45×54-(214+86)
=2430-300
=2130.
答:差是2130.本回答被提问者采纳