Answer:
a.Step-by-step explanation:
because we discussed it on grade 6 and first thing to do is put the Universal sign and equal,put{} these into their sides and to know the universal you take a look for the letters or numbers example 9678531264 then you arrange it 123456789 and in number it should be no big and small it should stay on small#CarryOnLearningCopyright © 2024 EHUB.TIPS team's - All rights reserved.