问题 解答题

计算下列各题

200×7-900

123×3+131

72÷8+228

350-120×2.

答案

(1)200×7-900

=1400-900,

=500;

(2)123×3+131

=369+131,

=500;

(3)72÷8+228

=9+228,

=237;

(4)350-120×2

=350-240,

=110.

单项选择题
单项选择题