5*17-5*3=. 16*13-32=по произведению

Question

5*17-5*3=. 16*13-32=
по произведению

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Answer 1

5*17-5*3=.20
16*13-32=176

Answer 2

5*17-5*3=85-15=70. 16*13-32=208-32=176