Question

Minus 3 upon 7 + 2 upon 4 into 3 upon 5 minus 2 upon 4 into 1 upon 5

Answer 1

Answer:

(-3) + 2×3 - 2×1

7 4×5 4×5

-3 + 3 - 1

7 10 10

-3 + 2

7 10

-3 + 1

7 5

-15+7

35

-8

35