Find the value of 20.52+10.2220.5^2 + 10.2^220.52+10.22
Find the value of 9.61+6.39−0.70\sqrt{9.61 + 6.39} - 0.709.61+6.39−0.70
192 exam-style questions on OCR GCSE Maths Using a Calculator. Each one has a worked solution and a mark scheme showing where the marks go.