Write a number in each box to make the calculation correct.
5+0000=135 + \boxed{\phantom{0000}} = 135+0000=13
19−0000=1219 - \boxed{\phantom{0000}} = 1219−0000=12
108 exam-style questions on Edexcel GCSE Maths Solving Equations. Each one has a worked solution and a mark scheme showing where the marks go.