5 600 : (1 624 -7 *132 )*125= 1 000
1) 7 *132 =924
2) 1 624 -924 =700
3) 5 600 : 700 =8
4) 8 *125 =1 000
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1) 7*132 = 924
2) 1624 - 924 = 700
3) 5600 / 700 = 8
4) 8 * 125 = 1000
640 : ( 12к + 4) = 16
12к + 4 = 640 : 16
12к + 4 = 40
12к = 40 - 4
12к = 36
к = 36 : 12
к = 3