脱式计算:(238+164)×9361+25×425×4×8703-26×3.
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解:(1)(238+164)×9,
=402×9,
=3618;
(2)361+25×4,
=361+100,
=461;
(3)25×4×8,
=100×8,
=800;
(4)703-26×3,
=703-78,
=625.
解析分析:(1)先算小括号里面的加法,再算括号外的乘法;
(2)先算乘法,再算加法;
(3)按照从左到右的顺序计算;
(4)先算乘法,再算减法.
点评:本题考查了简单的四则混合运算,关键是理清楚运算的顺序,然后根据运算顺序逐步求解即可.