问题 解答题
脱式计算.
(270+402)×789+111×6168÷8×375×(698-689)
答案

(1)(270+402)×7,

=672×7,

=4704;

(2)89+111×6,

=89+666,

=755;

(3)168÷8×3,

=21×3,

=63;

(4)75×(698-689),

=75×9,

=675.

选择题
单项选择题 A1/A2型题