Помогите решить номер430 431!
430 1)( 3.25+0.419)+6.75=3.669+6.75=10.419 2)(7.26+26.8)+73.2=34.06+73.2=107.26 3)4.56+0.333+0.44+0.067=4.893+0.507=5.4 4)0.631+0.308+1.369+0.692=0.939+2.061=3 431 1) 2.665+1.36=4.025 2) 19,78 + 0.323=20.103 3) 33,134-6.84=26,294