(54÷6)+(2×4)=(12+4)-(16÷4)=63÷7+(45-8)=х-4=3624÷z=8a+34=50 второй класм​

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ответ : 40 .

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ответ : 3

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ответ : 16

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(54:6)+(2×4)= 17

(12+4)-(16:4)= 12

63:7+(45-8)= 46

х-4=36

х= 36+4

х=40

24:z=8

z= 24:8

z= 3

а+34=50

а=50-34

а= 16