Ответ:
Пошаговое объяснение:
1) 966:(133+х)=7.
133+x = 966/7;
133+x = 138;
x=138-133;
x=5.
2) у•99-(423+347)=121.
99y-770 = 121;
99y= 121+770;
99y=891;
y=891:99;
y=9.
3) 911-(601-z)=317.
-(601-z) = 317-911;
601-z = 594;
z=601-594;
z=7.
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Ответ:
Пошаговое объяснение:
1) 966:(133+х)=7.
133+x = 966/7;
133+x = 138;
x=138-133;
x=5.
2) у•99-(423+347)=121.
99y-770 = 121;
99y= 121+770;
99y=891;
y=891:99;
y=9.
3) 911-(601-z)=317.
-(601-z) = 317-911;
601-z = 594;
z=601-594;
z=7.