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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