Question

ex 29 toate multimile plsculise

Answer 1

Răspuns

A={12, 22, 32, 42, 52, 62, 72}

B={21, 24, 27, 30, 33, 36, 39, 42, 45, 48, 51}

C={0, 5, 10, 15, 20}

Explicație pas cu pas:

a) A={10+2, 20+2, 30+2, 40+2, 50+2, 60+2, 70+2}

A={12, 22, 32, 42, 52, 62, 72}

b) B={ 3•7, 3•8,  3•9, 3•10, 3·11, 3·12, 3·13, 3·14, 3·15, 3·16, 3·17}

B={21, 24, 27, 30, 33, 36, 39, 42, 45, 48, 51}

c) C={0·5, 1·5, 2·5, 3·5, 4·5}

C={0, 5, 10, 15, 20}