题目内容
脱式计算我最棒.

分析:(1)按照从左到右的顺序计算;
(2)先算除法,再算加法;
(3)先算乘法,再算减法.
(2)先算除法,再算加法;
(3)先算乘法,再算减法.
解答:解:(1)45×3×6,
=135×6,
=810;
(2)650+308÷4,
=650+77,
=727;
(3)980-36×8,
=980-288,
=692.
=135×6,
=810;
(2)650+308÷4,
=650+77,
=727;
(3)980-36×8,
=980-288,
=692.
点评:本题考查了简单的四则混合运算,计算时先理清楚运算顺序,根据运算顺序逐步求解即可.
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