simplify 2.5 - 7.5 ÷ 0.25 + 2.7
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Step-by-step explanation:
2.5 - 7.5÷0.25+2.7
=25/10 - 75/10 ÷ 25/100 +27/10
=25/10 -75/10 ×100/25 +27/10
=25/10 - 750/25 +27/10
=25/10 - 3 + 27/10
=2.5-3+2.7
=2.5-0.3
=2.2
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