问题
解答题
列式计算.
(1)10减去1.2的8倍,所得的差再除以8的多少?
(2)3.6与0.4的和乘以2.5,所得积除以5,商是多少?
答案
(1)(10-1.2×8)÷8,
=(10-9.6)÷8,
=0.4÷8,
=0.05;
答:得0.05.
(2)(3.6+0.4)×2.5÷5,
=4×2.5÷5,
=10÷5,
=2;
答:商是2.
列式计算.
(1)10减去1.2的8倍,所得的差再除以8的多少?
(2)3.6与0.4的和乘以2.5,所得积除以5,商是多少?
(1)(10-1.2×8)÷8,
=(10-9.6)÷8,
=0.4÷8,
=0.05;
答:得0.05.
(2)(3.6+0.4)×2.5÷5,
=4×2.5÷5,
=10÷5,
=2;
答:商是2.