问题
解答题
|
答案
30÷15+30×15
=2+450,
=452;
(564-18×24)÷12
=(564-432)÷12,
=132÷12,
=11;
576÷(33+15)
=576÷48,
=12;
909-[36×(350÷14)].
=909-[36×25],
=909-900,
=9.
|
30÷15+30×15
=2+450,
=452;
(564-18×24)÷12
=(564-432)÷12,
=132÷12,
=11;
576÷(33+15)
=576÷48,
=12;
909-[36×(350÷14)].
=909-[36×25],
=909-900,
=9.