Tolong dijawab ya...
NOMER 1 :
2⅘ + ¾ - 1 ⁹/8
14/5 + 3/4 - 17/8
14/5 + 3/4 = 56/20 + 15/20 = 71/ 20
71/20 - 17/ 8 = 568 /160 - 340/160 = 228/ 160 = 57/40
NOMER 2
1¾ + 2½ - 1⁶/8
7/4 + 5/2 - 14/8
7/4 + 5/2 = 14/8 + 20/8 = 34/8 = 17/4
17/4 - 14/8 = 17/ 4 - 7/4 = 10/ 4 = 5/2
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