15 * 19 + 22 * 17 = ?2 + 83
a) 21
b) 25
c) 27
d) 23
e) 24
Sol:
15 * 19 + 22 * 17 = ?2 + 83
285 + 374 – 83 = ?2
? = 24
15 * 19 + 22 * 17 = ?2 + 83
a) 21
b) 25
c) 27
d) 23
e) 24
Sol:
15 * 19 + 22 * 17 = ?2 + 83
285 + 374 – 83 = ?2
? = 24