проверь,верны ли равенства:13*(10+2)=13*10+13*2 (20+5)*4=20+5*415*(10+2)=15*10*2 72:(8*3)=72:8*3. Created by JuLiJa03. matematika-ru

проверь,верны ли равенства:13*(10+2)=13*10+13*2 (20+5)*4=20+5*415*...

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проверь,верны ли равенства:
13*(10+2)=13*10+13*2 (20+5)*4=20+5*4
15*(10+2)=15*10*2 72:(8*3)=72:8*3

Answers & Comments

NazguL68 13*(10+2)=13*10+13*2
13*(12) = 130 + 26
156 = 156
Верно

(20+5)*4=20+5*4
25 * 4 = 20 + 20
100 = 40
Неверно

15*(10+2)=15*10*2
15*12 = 300
180 = 300
Неверно

72:(8*3)=72:8*3
72:24 = 72:24
3 = 3
Верно

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3...

chto takoe vosmigrannik i kroncirkul s kakoj celyu na torce zagotovki razmechayu

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