Jawab:
Penjelasan dengan langkah-langkah:
1. 4 - 1 2/7 = 3 7/7 - 1 2/7 = 2 5/7
2. 1 1/4 + 1 2/3 + 2 5/6
= 5/4 + 5/3 + 17/6
= 15/12 + 20/12 + 34/12
= 69/12
= 5 9/12 = 5 3/4
3. 4 1/6 - 1 5/8
= 25/6 - 13/8
= 100/24 - 39 /24
=61/24 = 2 13/24
4. 2 4/5 x 1 2/7 x 1 2/3
= 14/5 x 9/7 x 5/3
= 14x9x5/5x7x3
= 630/ 105
=6
5. 6 - 1 8/9 + 1 5/6
= 5 18/18 - 1 8/9 + 1 5/6
= 108/18 - 17/9 + 11/6
= 108/18 - 34/18 + 33/18
= 107/ 18
= 5 17/18
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Jawab:
Penjelasan dengan langkah-langkah:
1. 4 - 1 2/7 = 3 7/7 - 1 2/7 = 2 5/7
2. 1 1/4 + 1 2/3 + 2 5/6
= 5/4 + 5/3 + 17/6
= 15/12 + 20/12 + 34/12
= 69/12
= 5 9/12 = 5 3/4
3. 4 1/6 - 1 5/8
= 25/6 - 13/8
= 100/24 - 39 /24
=61/24 = 2 13/24
4. 2 4/5 x 1 2/7 x 1 2/3
= 14/5 x 9/7 x 5/3
= 14x9x5/5x7x3
= 630/ 105
=6
5. 6 - 1 8/9 + 1 5/6
= 5 18/18 - 1 8/9 + 1 5/6
= 108/18 - 17/9 + 11/6
= 108/18 - 34/18 + 33/18
= 107/ 18
= 5 17/18