递等式计算4620+(401-438÷73)52×80-720÷9 (124-85)×12÷26

递等式计算4620+(401-438÷73)52×80-720÷9 (124-85)×12÷26.
2025-04-03 06:32:08
推荐回答(1个)
回答1:

(1)4620+(401-438÷73),
=4620+(401-6),
=4620+395,
=5015;

(2)52×80-720÷9,
=4160-80,
=4080;

(3)(124-85)×12÷26,
=39×12÷26,
=468÷26,
=18.