вставьте пропущенные знаки + - * :
(3 9) 4 =3
20 6 3 =2
12 (7 4)=4
20 (16 4)=80
10 (14 7)=70
30 (20 10)=60
(3 9) 4 =3
20 6 3 =2
12 (7 4)=4
20 (16 4)=80
10 (14 7)=70
30 (20 10)=60
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Answers & Comments
20-6*3=2
12:(7-4)=4
20*(16:4)=80
10*(14-7)=70
30*(20:10)=60