2/3÷4/9×-4/9+1/20=4/5

Question

2/3÷4/9×-4/9+1/20=4/5

Comments

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Answer 1

2/3÷4/9×-4/9+1/20
2/3:4/9=1 целая 1/2
1 целая 1/2 *(-4/9)=-2/3
-2/3+1/20=-37/60
ответ: 37/60

у тебя не правильно