Tìm x
a) x + 2,47 = 9,25
b) x – 6,54 = 7,91
c) 3,72 + x = 6,54
d) 9,6 – x = 3,2
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) 3,72 + x = 6,54
x = 6,54 – 3,72
x = 2,82
d) 9,6 – x = 3,2
x = 9,6 – 3,2
x = 6,4
-- Mod Toán lớp 5
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