
8.6×1.25+1.4÷0.8
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8.6×1.25+1.4÷0.8
=(8+0.4+0.2)x1.25+(1.6-0.2)÷0.8
=8x1.25+0.4x1.25+0.2x1.25+1.6÷0.8-0.2÷0.8
=10+0.5+0.25+2-0.25
=12.5
希望对您有所帮助。
=(8+0.4+0.2)x1.25+(1.6-0.2)÷0.8
=8x1.25+0.4x1.25+0.2x1.25+1.6÷0.8-0.2÷0.8
=10+0.5+0.25+2-0.25
=12.5
希望对您有所帮助。
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