COROANĂ! vă rog.am nevoile

Răspuns:
( 42 × 2 - 3 ) : 9 = 9
( 84 - 3 ) : 9 =
81 : 9 = 9
( 167 + 38 - 160 ) : 5 = 9
( 205 - 160 ) : 5 =
45 : 5 = 9
132 - 100 + 8 : 4 = 34
132 - 100 + 2 =
32 + 2 = 34
( 132 - 100 + 8 ) : 4 = 10
( 32 + 8 ) : 4 =
40 : 4 = 10