Question

1_ 4+5(4)+[3+5+(4.6)+{(72÷8)+(20÷4)+10}]. =

2_ (40÷8)+{45÷9+20.2-13[(3.9)+(9÷3)+40-20]}

3_ {2+30-18+(8.9)-1[(10÷2)-(5.2)]}

4_ {(6.7)+(3.6)-[(30÷5)+10-40+3(5)]}

5_ {5+6-9+10-4+5(3)[(20÷5)+(81÷9)+50]}

por favor para hoy . El resultado directo
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Answer 1

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