问题 解答题

计算大练兵.

322÷7×15

56×17÷7

639÷9×48

225÷9×27.

答案

(1)322÷7×15,

=46×15,

=690;

(2)56×17÷7,

=952÷7,

=136;

(3)639÷9×48,

=71×48,

=3408;

(4)225÷9×27,

=25×27,

=675.

多项选择题
多项选择题