问题
解答题
先比一比,再算一算.
(1)88-44×2 (2)200-156÷2
(88-44)×2 (200-156)÷2.
答案
(1)①88-44×2
=88-88
=0;
②(88-44)×2
=44×2
=88;
(2)①200-156÷2
=200-78
=122;
②(200-156)÷2
=44÷2
=22.
先比一比,再算一算.
(1)88-44×2 (2)200-156÷2
(88-44)×2 (200-156)÷2.
(1)①88-44×2
=88-88
=0;
②(88-44)×2
=44×2
=88;
(2)①200-156÷2
=200-78
=122;
②(200-156)÷2
=44÷2
=22.