October 2021 0 18 Report
1) 0,5а + b __ a = 3 b= - 2 2) c - 4d __ c = - 5 d = 0,25
3) 3x - y __ x = - 1 y = - 8
4) 2m - 3n __ m = - 1,5 n = 6/1
Буду блогодарна!!!
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