Penjelasan dengan langkah-langkah:
= 2 2/5 × 1 3/7 - 1 1/4
= 12/5 × 10/7 - 5/4
= (12 × 10)/(5 × 7) - 5/4
= 120/35 - 5/4
= (120/35 × 4/4) - (5/4 × 35/35)
= 480/140 - 175/140
= (480 - 175)/140
= 305/140
= 61/28
=
Jawaban terlampir diats..
#Cmiiw
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Penjelasan dengan langkah-langkah:
= 2 2/5 × 1 3/7 - 1 1/4
= 12/5 × 10/7 - 5/4
= (12 × 10)/(5 × 7) - 5/4
= 120/35 - 5/4
= (120/35 × 4/4) - (5/4 × 35/35)
= 480/140 - 175/140
= (480 - 175)/140
= 305/140
= 61/28
=
Jawaban terlampir diats..
#Cmiiw