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23.5×5.66-23.4×5.67

题目详情
23.5×5.66-23.4×5.67
▼优质解答
答案和解析
23.5×5.66 =(23.4+0.1)x(5.67 - 0.01)
=23.4x5.67 +0.1x5.67 -23.4x0.01 -0.1x0.01
=23.4x5.67 +0.567 -0.234 -0.001
=23.4x5.67 +0.332
23.5×5.66-23.4×5.67
=23.4x5.67 +0.332 - 23.4×5.67
=0.332