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In a group of students, 65 play foot ball, 45 play hockey, 42 play cricket, 20 play foot ball and hockey, 25 play foot ball and cricket, 15 play hockey and cricket and 8 play all the three games. Find
asked
Aug 20, 2020
Mathematics
middle-school
1
answer
1
vote
168k
views
Numbers to the left of formulas for reactants are called _____. superscripts coefficients elements formulas
asked
Jan 9, 2020
Chemistry
middle-school
1
answer
0
votes
68.6k
views
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