2√75÷3√3-3√147÷3√3+4√432÷3√3
chupalo ctm
2√75÷3√3-3√147÷3√3+4√432÷3√3=
2x8.66÷3x1.73-12.12÷3x1.73+4x20.78÷3x1.73=
17.32÷5.19-12.12÷5.19+83.12÷5.19=
3.46-2.33+16.01=
17.14