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竖式计算:75×1938.5-18.9872÷86.7+3.889×46980÷7(验算)544÷6(验算)

题目详情
竖式计算:
75×1938.5-18.9872÷86.7+3.8
89×46980÷7(验算)544÷6(验算)
75×1938.5-18.9872÷86.7+3.8
89×46980÷7(验算)544÷6(验算)
75×1938.5-18.9872÷86.7+3.875×1938.5-18.9872÷86.7+3.889×46980÷7(验算)544÷6(验算)89×46980÷7(验算)544÷6(验算)
▼优质解答
答案和解析

75×19=1425


38.5-18.9=19.6


872÷8=109


6.7+3.8=10.5


89×46=4094


980÷7=140

验算:


544÷6=90…4

验算: