Kerjakan soal-soal berikut. 1. 4 1/2 x 1/2 - 1/2=... 2. 4/5 x 3/5 + 2/7=... 3. 1 2/9 x (3/5 + 2/3)=... 4. 2 4/9 x (6/7-1/8)=... 5. 4/7 : 3/5 + 6/5 x 2/9=...
Matematika
akifanailla272
Pertanyaan
Kerjakan soal-soal berikut.
1. 4 1/2 x 1/2 - 1/2=...
2. 4/5 x 3/5 + 2/7=...
3. 1 2/9 x (3/5 + 2/3)=...
4. 2 4/9 x (6/7-1/8)=...
5. 4/7 : 3/5 + 6/5 x 2/9=...
1. 4 1/2 x 1/2 - 1/2=...
2. 4/5 x 3/5 + 2/7=...
3. 1 2/9 x (3/5 + 2/3)=...
4. 2 4/9 x (6/7-1/8)=...
5. 4/7 : 3/5 + 6/5 x 2/9=...
1 Jawaban
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1. Jawaban Vannesa111
1) 4 1/2 x 1/2 - 1/2
= 2 x 1/2 - 1/2
= 1 - 1/2
= 1/2
2) 4/5 x 3/5 + 2/7
= 12/25 + 2/7
= 134/175
3) 1 2/9 x (3/5 + 2/3)
= 2/9 x 19/15
= 38/135
4) 2 4/9 x (6/7 - 1/8)
= 2 x 4/9 x 41/56
= 4/9 x 41/28
= 1/9 x 41/7
= 41/63
5) 4/7 : 3/5 + 6/5 x 2/9
= 4/7 x 5/3 + 2/5 x 2/3
= 20/21 + 4/15
= 128/105
Smga Membantu >.<