(0.91÷0.01)÷X= 1.3 1.6÷(X-0.45)=5又1/3

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(0.91÷0.01)÷X= 1.3 1.6÷(X-0.45)=5又1/3

(0.91÷0.01)÷X= 1.3 1.6÷(X-0.45)=5又1/3
(0.91÷0.01)÷X= 1.3 1.6÷(X-0.45)=5又1/3

(0.91÷0.01)÷X= 1.3 1.6÷(X-0.45)=5又1/3
(0.91÷0.01)÷X= 1.3
9÷X=1.3
X=9÷1.3
X=6又12/13
1.6÷(X-0.45)=5又1/3
X-0.45=1.6÷5又1/3
X-0.45=0.3
X=0.3+0.45
X=0.75