State true or false — task. Mathematics State Board, Class 7.

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1) The value of

(-14) - (-34) = 20

is .

(-14) - (0) = -14

is .

(43 - 19) - 19 = 43 - (19 - 19)

is .

(-14) - 43 = 43 - (-14)

is .

Did you find an error?

6. State true or false