Toán Lớp 7: a) (1/2)^3 - (3/2 : 5/2 - 3 x 2021^0)

a)(1/2)^3 -(3/2 : 5/2 -3xx 2021^0) =1/8-(3/2 : 5/2 -3xx1) =1/8:(3/5-3) =1/8- frac{-12}{5} =101/40

( 1/2 )^3 - ( 3/2 : 5/2 - 3 × 2021^0 ) = 1/8 - ( 3/2 . 2/5 - 3 × 1 ) = 1/8 - ( 3/5 - 3 ) = 1/8 - ( -12/5 ) = 1/8 + 12/5 = 101/40

Toán Lớp 7: a) (1/2)^3 - (3/2 : 5/2

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