Mathematics, 27.05.2020 14:57, danielacortevpe3i66

Which sum does the model below represent?

(MODEL -
4 positive tiles
and 7 negative tiles.)

A . 4 + (negative 7) = negative 3
B . 4 + 7 = 11
C. 8 + (negative 3) = 4
D. 11 + (negative 4) = negative 3

Answers: 1

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Which sum does the model below represent?

(MODEL -
4 positive tiles
and 7 n...