Toán Lớp 7: (-(_4^3))2 - | - 1/4 | + 2/7 + 5/7

Lời giải và giải thích chi tiết: (-3/4)^2-|-1/4|+2/7+5/7 =9/16-1/4+2/7+5/7 =(9/16-4/16)+(2/7+5/7) =5/16+1 =21/16

( - 3/4)^2 - | -1/4| + 2/ 7 + 5/7 = 9/16 - 1/4 + (2/7 + 5/7) = 9/16 - 4/16 + 1 = 5/16 + 16/16 = 21/16

Toán Lớp 7: (-(_4^3))2 - | - 1/4

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