Question

Выполните умножение
4)0,8*5=
5)0,7*3=
6)0,3*25=
7)(1,7+2)*4=
8)(5,3+1,4)*3=
9)(6,15+3,5)*5=​

Answer 1

$4) \: 0.8 \times 5 = 4 \\ 5) \: 0.7 \times 3 = 2.1 \\ 6) \: 0.3 \times 25 = 7.5 \\ 7) \: (1.7 + 2) \times 4 = 3.7 \times 4 = 14.8 \\ 8) \: (5.3 + 1.4) \times 3 = 6.7 \times 3 = 20.1 \\ 9) \: (6.15 + 3.5) \times 5 = 9.65 \times 5 = 48.25$