题目内容

16.计算.
(1)1400×0.5%+2400
=
=
(2)36×4÷9-1÷12×36
=
=
(3)(5+20%)×0.5
=
=
(4)200×1÷4+100×5%
=
=

分析 (1)先算乘法,再算加法;
(2)先算乘除法,再算减法;
(3)先算小括号里的加法,再算括号外的乘法;
(4)先算乘除法,再算加法.

解答 解:(1)1400×0.5%+2400
=7+2400
=2407;

(2)36×4÷9-1÷12×36
=16-3
=13;

(3)(5+20%)×0.5
=5.2×0.5
=2.6;

(4)200×1÷4+100×5%
=50+5
=55.

点评 此题考查了整数的四则混合运算,注意运算顺序和运算法则即可.

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