A LOT OF POINTS PLUSbr />
1. (−4)−(−2)–{(−5)–[(−7)+(−3)–(−8)]}
2. 10–{12–[(−9)+(−1)]}
3. (−5.2)+(−3.8)–{(−1.2)–[(−0.5)–(−0.7)]}
4. 3 1/8 ÷(x−4 7/28 )= 17/18 +1 5/6
5. 24 1/14 +8 3/7 =(x÷1 1/9 )·5 5/12

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