题目内容
| 脱式计算 (187-57)×2 |
(62+38)÷4 | (34+19)×7 |
| 14×125+32 | (29+24)×53 | (57-28)×32 |
| (61+23)×13 | 1082+92×15 |
分析:(1)(2)(3)(5)(6)(7)按照先算括号里面的,再算括号外面的顺序即可解答,
(4)(8)按照先算乘法,再算加法的顺序即可解答.
(4)(8)按照先算乘法,再算加法的顺序即可解答.
解答:解:(1)(187-57)×2,
=130×2,
=260;
(2)(62+38)÷4,
=100÷4,
=25;
(3)(34+19)×7,
=53×7,
=371;
(4)14×125+32,
=1750+32,
=1782;
(5)(29+24)×53,
=53×53,
=2809;
(6)(57-28)×32,
=29×32,
=928;
(7)(61+23)×13,
=84×13,
=1092;
(8)1082+92×15,
=1082+1380,
=2462.
=130×2,
=260;
(2)(62+38)÷4,
=100÷4,
=25;
(3)(34+19)×7,
=53×7,
=371;
(4)14×125+32,
=1750+32,
=1782;
(5)(29+24)×53,
=53×53,
=2809;
(6)(57-28)×32,
=29×32,
=928;
(7)(61+23)×13,
=84×13,
=1092;
(8)1082+92×15,
=1082+1380,
=2462.
点评:正确按照四则运算顺序进行计算,以及计算结果要准确是本题考查知识点.
练习册系列答案
相关题目