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计算:223×7.5+22.3×12.5+230÷4-0.7×2.5+1=.

题目详情
计算:223×7.5+22.3×12.5+230÷4-0.7×2.5+1=______.
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答案和解析
223×7.5+22.3×12.5+230÷4-0.7×2.5+1
=223×7.5+223×1.25+230×
1
4
-0.7×2.5+1
=223×(7.5+1.25)+0.25×(230-7)+1
=223×(7.5+1.25+0.25)+1
=223×9+1
=2008;
故答案为:2008.