Question

38.3x7.6+11x9.25+427x0.24=的简便运算

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Answer 1

38.3x7.6+11x9.25+427x0.24
=383x0.76+11x9.25+44×0.24+383x0.24
=383x（0.76+0.24）+11x9.25+11x0.96
=383×1+11×（9.25+0.96）
=383+11×10.21
=383+112.31
=495.31