问题
解答题
脱式计算训练营.
23×12÷4
45×(86-77)
76×(12+13)
(350+25)÷5.
答案
(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.
脱式计算训练营.
23×12÷4
45×(86-77)
76×(12+13)
(350+25)÷5.
(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.