{1.7+1.7*(5.8-2.8)}+(1.75/1.4) 简便计算
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{1.7+1.7*(5.8-2.8)}+(1.75/1.4) 简便计算
![{1.7+1.7*(5.8-2.8)}+(1.75/1.4) 简便计算](/uploads/image/z/6168388-4-8.jpg?t=%7B1.7%2B1.7%2A%EF%BC%885.8-2.8%EF%BC%89%7D%2B%EF%BC%881.75%2F1.4%EF%BC%89+%E7%AE%80%E4%BE%BF%E8%AE%A1%E7%AE%97)
{1.7+1.7*(5.8-2.8)}+(1.75/1.4)
=(1.7+1.7×3)+1.75÷1.4
=1.7×4+35/2×5/7
=1.7×4+12.5
=6.8+12.5
=19.3
=(1.7+1.7×3)+1.75÷1.4
=1.7×4+35/2×5/7
=1.7×4+12.5
=6.8+12.5
=19.3
{1.7+1.7*(5.8-2.8)}+(1.75/1.4) 简便计算
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