Question

Помогите д) сделать

Answer 1

$frac{7}{10} + frac{2}{15} + frac{11}{30} = frac{21 + 4 + 11}{30} = frac{36}{30} = frac{6}{5} = 1.2$

Answer 2

1) 7÷10= 0,7

2)2÷15 =0,1(3)

3)11÷30=0,30(6)

4)0,7+0,1(3)+0,30(6)=1,10(9)