erosz90 erosz90
  • 22-09-2016
  • Mathematics
contestada

write two subtraction equations to show how to find 15-7

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Аноним Аноним
  • 22-09-2016
you could make 15 lines and cross out 7 and see what you end up with or make a rectangle and make 14 lines so there are 15 lines/boxes then shade 7 and see how many are not shaded...... the answer is 8 
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