Toán Lớp 5: X + 2,47 = 9,25 X – 6,54 = 7,91 9,6 – X = 3,2

x+2,47=9,25 x =9,25-2,47 x =6,78 x-6,54=7,91 x =7,91+6,54 x =14,45 9,6-x=3,2 x=9,6-3,2 x=6,4

a, x + 2,47 = 9,25 x = 9,25 - 2,47 x = 6,78 b, x - 6,54 = 7,91 x = 7,91 + 6,54 x = 14,45 c , 9,6 - x = 3,2 x = 9,6 - 3,2 x= 6,4

Toán Lớp 5: X + 2,47 = 9,25 X – 6,54 = 7,91 9,6

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