问题 解答题

脱式计算.

(324-285)×12÷26

(59+21)×(96÷8)

40.5-(2.75+0.86)

答案

(1)(324-285)×12÷26

=39×12÷26

=468÷26

=18;

(2)(59+21)×(96÷8)

=80×12

=960;

(3)40.5-(2.75+0.86)

=40.5-3.61

=36.89.

单项选择题
单项选择题