(2 1/2 : 1/4) + (0,25 × 4/5)
= (5/2 × 4) + (1/4 + 4/5)
= 20/2 + (5/20 + 16/20)
= 10 + 21/20
= 10/1 + 21/20
= 200/20 + 21/20
= 221/20
= 11 1/20
#CMIIW
(2 1/2 : 1/4) + (0,25 x 4/5)
= (5/2 x 4/1) + (1/4 x 4/5)
= (5/1 x 2/1) + (1/1 x 1/5)
= 10/1 + 1/5
= 50/5 + 1/5
= 51/5
= 10 1/5
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(2 1/2 : 1/4) + (0,25 × 4/5)
= (5/2 × 4) + (1/4 + 4/5)
= 20/2 + (5/20 + 16/20)
= 10 + 21/20
= 10/1 + 21/20
= 200/20 + 21/20
= 221/20
= 11 1/20
#CMIIW
(2 1/2 : 1/4) + (0,25 x 4/5)
= (5/2 x 4/1) + (1/4 x 4/5)
= (5/1 x 2/1) + (1/1 x 1/5)
= 10/1 + 1/5
= 50/5 + 1/5
= 51/5
= 10 1/5