1.22x+x-10=59 2.14y-2y+76=100 3.(7a-2a)*8=80 4.(15b+b): - вопрос №90422771221059214276100372880415435087066 от FlaNNkY 15.02.2020 14:15

Question

Математика: 1.22x+x-10=59 2.14y-2y+76=100 3.(7a-2a)*8=80 4.(15b+b): 4=3 5.(0.87m-0.66m)*10: 2: 3=0 6.10*(1.37k-0.12k): 5: 8=0 решите .

FlaNNkY · Answer

1)=23х-10=5923х=59=1023х=69х=32)=12у+76=10012у=100-7612у=24у=23)=5а*8=8040а=80а=24)=16б:4=34б=3б=3/4...