Question

Calculeaza a×b,daca:a×8=72; b×3=27; 6×a=48; 9×b=36; a×7=49; b×8=24; 3×a=24; 4×b=24.

Answer 1

asta e raspunsul succes

Answer 2

a×8=72

a=72:8

a=9

9×8=72

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b×3=27

b=27:3

b=9

9×3=27

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6×a=48

a=48:6

a=8

6×8=48

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9×b=36

b=36:9

b=4

9×4=36

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a×7=49

a=49:7

a=7

7×7=49

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b×8=24

b=24:8

b=3

3×8=24

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3×a=24

a=24:3

a=8

3×8=24

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4×b=24

b=24:4

b=6

4×6=24