Toán Lớp 5: Tìm x: X x 1/2 +3/2 x X = 4/5
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Toán Lớp 5: Tìm x: X x 1/2 +3/2 x X = 4/5
Comments ( 2 )
Xx(1/2+3/2)=4/5
Xx2=4/5
X=4/5:2
X=2/5