2-[3.7- {2.9-(2.3-3.7) -0.4})
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Answer:
2.2
Step-by-step explanation:
2-[3.7-{2.9-(2.3-3.7)-0.4}]
= 2-[3.7-{2.9-(-1.4)-0.4}]
= 2-[3.7-{2.9+1.4-0.4}]
= 2-[3.7-{3.9}]
=2-[3.7-3.9}]
= 2-[-0.2]
= 2+0.2
= 2.2
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