发布网友 发布时间:2024-10-02 07:06
共1个回答
热心网友 时间:2024-10-02 07:21
(1)55×5+55
=275+55
=330;
(2)300-297÷3
=300-99
=201;
(3)(300-297)÷3
=3÷3
=1;
(4)763+27×8
=763+216
=979;
(5)612×(54÷9)
=612×6
=3672;
(6)58×9-221
=522-221
=301;
(7)(48+808)÷8
=856÷8
=107;
(8)430÷5×6
=86×6
=516.