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5Ⅹ÷6=1.7

5x ÷ 6 = 1.7 5x = 1.7 × 6 5x = 10.2 x = 2.04 ------------- 望采纳,谢谢

解: 1÷5/7-1÷6分之五简便计算 =1x7/5-1x6/5 =7/5-6/5 =1/5 =0.2

(X+1.7)÷6=12.6 解:X+1.7=12.6×6 X+1.7=75.6 X=75.6-1.7 X=73.9

6/5*6/7-1/5÷7/6 =6/5*6/7-1/5*6/7 =(6/5-1/5)*6/7 =1*6/7 =6/7

5Ⅹ-6.1=7.9-3Ⅹ 8Ⅹ=14 X=1.75

= 5X-32.5=1.7 = 5X=1.7+32.5 = 5X=34.2 = X=6.84

1÷7等于0.1287543

5.1309090909

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