Упростите и решите выражение 79y-(23y-15y) если y=15;309
79y-(23y-15y)= 79y - 8y = 71y
1)y = 15, 71*15= 1065
2) y = 309, 71*309 = 21 939
79y-(23y-15y)=79y-8y=69y 69*15=103569*30921321
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79y-(23y-15y)= 79y - 8y = 71y
1)y = 15, 71*15= 1065
2) y = 309, 71*309 = 21 939
79y-(23y-15y)=79y-8y=69y
69*15=1035
69*30921321