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24点六减十二点六乘以零点四等于十二乘以零点四等于四点八修改错误

题目详情
24点六减十二点六乘以零点四等于十二乘以零点四等于四点八修改错误
▼优质解答
答案和解析
24.-12.6×0.4
=12×0.4 ×
=4.8
修改:
24.6-12.6×0.4
=24.6-5.04
=19.56