1).10234
2).7082
7-cifra miilor
0 cifra sutelor
8 cifra zecilor
2 cifra unitătilor
3).8207 kg
4).10235+7082=17.317
10231+7082=17.313
10235-7082=3.153
10231-7082=3.149
5).2 L-------------------6 kg
6 L---------------------x kg
x=6x6:2=36:2=18 kg
6).240x5=1200 sticle (in 5 zile )