Question

afla termenii necunoscuti 6×8-a=27 b+7×8=343 8×8+n=9×9 m-9×7=190 9×9-y=9×5​

Answer 1

6 x 8 - a = 27

48 - a = 28

a = 48 - 28

a = 20

b + 7 x 8 = 343

b + 56 = 343

b = 343 - 56

b = 287

8 x 8 + n = 9 x 9

64 + n = 81

n = 81-64

n = 17

m - 9 x 7 = 190

m- 63 = 190

m = 190 + 63

m = 253

9 x 9 - y = 9 x 5

81 - y = 45

y = 81-45

y = 36