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.

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