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.
计算下列各题
200×7-900
123×3+131
72÷8+228
350-120×2.
(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.