Răspuns :
a) a - 2145 = 1342
a = 1345 + 2145
a = 3490
b) b × 5 = 385
b = 385 : 5
b = 77
c) c : 4 = 3 rest 2
c = 4 × 3 + 2
c = 12 + 2
c = 14
a = 1345 + 2145
a = 3490
b) b × 5 = 385
b = 385 : 5
b = 77
c) c : 4 = 3 rest 2
c = 4 × 3 + 2
c = 12 + 2
c = 14
[tex]a)a - 2145 = 1342 \\ a = 1342 + 2145 \\ a = 3487[/tex]
[tex]b)b \times 5 = 385 \\ b = 385 \div 5 \\ b = 77[/tex]
[tex]c)c \div 4 = 3 \: rest \: 2 \\ c = 4 \times 3 + 2 \\ c = 12 + 2 \\c = 14[/tex]
[tex]b)b \times 5 = 385 \\ b = 385 \div 5 \\ b = 77[/tex]
[tex]c)c \div 4 = 3 \: rest \: 2 \\ c = 4 \times 3 + 2 \\ c = 12 + 2 \\c = 14[/tex]