问题 解答题

1800÷5×62

90+186-84÷42

491-(25+20)×4

365×8×125×2

57×48+52×57

69×[(580-445)÷9].

答案

(1)1800÷5×62,

=360×62,

=22320;

(2)90+186-84÷42,

=90+186-2,

=276-2,

=274;

(3)491-(25+20)×4,

=491-45×4,

=491-180,

=311;

(4)365×8×125×2,

=(365×2)×(8×125),

=730×1000,

=730000;

(5)57×48+52×57,

=(48+52)×57,

=100×57,

=5700;

(6)69×[(580-445)÷9],

=69×[135÷9],

=69×15,

=1035.

问答题 简答题
问答题 简答题