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Fun / Mixed

Level 20 / build-up

3d +/- (with negatives)

3 visual steps / signed number check

1. Subtract sizes

-384 + 2571. Subtract sizes384 - 257 = 127.1384 - 257 = 1272larger sign wins3answer -127
384 - 257 = 127.

384 - 257 = 127.

2. Keep larger sign

-384 + 2572. Keep larger signlarger sign wins.1384 - 257 = 1272larger sign wins3answer -127
larger sign wins.

larger sign wins.

3. Read answer

-384 + 2573. Read answeranswer -127. Read answer answer -127answer -127.
answer -127.

answer -127.

Practice Level 20

Use the visible move, then type only when the answer is clear.

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