问题
解答题
计算.
5400-2940÷28×27
(20.2×0.4+7.88)÷4.2.
答案
(1)5400-2940÷28×27,
=5400-105×27,
=5400-2835,
=2565;
(2)(20.2×0.4+7.88)÷4.2,
=(8.08+7.88)÷4.2,
=15.96÷4.2,
=3.8.
计算.
5400-2940÷28×27
(20.2×0.4+7.88)÷4.2.
(1)5400-2940÷28×27,
=5400-105×27,
=5400-2835,
=2565;
(2)(20.2×0.4+7.88)÷4.2,
=(8.08+7.88)÷4.2,
=15.96÷4.2,
=3.8.