Toán Lớp 6: 220 – 120 ÷ [ 4 × 7+ 3 ( 31 – 29 ) ]
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Toán Lớp 6: 220 – 120 ÷ [ 4 × 7+ 3 ( 31 – 29 ) ]
Comments ( 2 )
$=220-120:(28+6)$
$=220-120:34$
$=220-\dfrac{60}{17}$
$=\dfrac{3680}{17}$