Toán Lớp 5: Tính
51,2 : 3,2 – 4,3 x (3 – 2,1) – 2,68 =?????
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Toán Lớp 5: Tính
51,2 : 3,2 – 4,3 x (3 – 2,1) – 2,68 =?????
giúp em với ạ
nhanh nha
Comments ( 2 )
51,2 : 3,2 – 4,3 x (3 – 2,1) – 2,68
= 16 – 4.3 × 0.9 – 2.68
= 16 – 3.87 – 2.68
= 12.13 – 2.68
= 9.45
$51,\:2\::\:3,\:2\:-\:4,\:3\:×\:\left(3\:-\:2,\:1\right)\:-\:2,\:68$
$=16-4,3\times \left(3-2,1\right)-2,68$
$=16-3,87-2,68$
$=9,45$