题目内容
脱式计算训练营.
23×12÷4
45×(86-77)
76×(12+13)
(350+25)÷5.
23×12÷4
45×(86-77)
76×(12+13)
(350+25)÷5.
分析:(1)先算乘法,再算除法;
(2)先算减法,再算乘法;
(3)先算加法,再算乘法;
(4)先算加法,再算除法.
(2)先算减法,再算乘法;
(3)先算加法,再算乘法;
(4)先算加法,再算除法.
解答:解:
(1)23×12÷4,
=276÷4,
=69;
(2)45×(86-77),
=45×9,
=405;
(3)76×(12+13),
=76×25,
=1900;
(4)(350+25)÷5,
=375÷5,
=75.
(1)23×12÷4,
=276÷4,
=69;
(2)45×(86-77),
=45×9,
=405;
(3)76×(12+13),
=76×25,
=1900;
(4)(350+25)÷5,
=375÷5,
=75.
点评:此题主要考查整数的四则混合运算的运算顺序,然后再进一步计算.
练习册系列答案
相关题目