simplify 10 - 5 1 by 2 minus 7 1 by 2 +2.8 / 1.4 into 4.25
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Step-by-step explanation:
10-51/2-71/2+2.8/1.4×4.25
-41/2-71/2+2×4.25
-41-71/2+8.5
-112/2+8.5
-56+8.5
-47.5
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