Daryn121504
26.10.2019 •
Mathematics
Answer these questions (only answer 55-63 )
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Ответ:
56) 0.1h+2=3 0.1h=1 h=10
57) 7y+24-3y=-12 4y=-36 y=-9
58) 8.6=10j j=0.86
59) 12z-4z-6=82 8z=88 z=11
60) 5.4d-2.3d+3d-12=6.5 6.1d=18.5 d=18.5/6.1 = 3.03 (2.d.p)
61) 2.6f-3.9f-5.2=6.5 -1.3d=11.5 d=10.2
62) -5.3m-3.9m-17=-94.28 -9.2m=-111.28 m=120.48
63) 21y+25.2-2.75y=134.7 18.25y=159.7 y=8.75
Ответ: