easy evaluation
Level
pending
Without the use of a calculator, evaluate 5-(-21over10)÷7over5=?
The answer is 6.5.
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1 solution
Apply BODMAS Solving brackets to get −2.1. The expression now is 5 + 2 . 1 ÷ 5 7 Solving 2 . 1 ÷ 5 7 , we get 5+1.5 =6.5