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20 x 20
400
4 x (-35)
-140
(-3)x11
-33
(-12)x(-9)
108
6x(-24)
-144
(-19)10
-190
(-14)(-5)
70
{(-12)(11)}x(-2)
246
{(-4)(-9)}+{(-4).6}
12
(-3)(10+16)
-78
(-4){(-9)+6}
12
{(-11)+(-15)}(-10)
260
28 x [ -2 + (-3) ]
-140
14[10 + (-9)]
14
(20 x 8) + (20 x 12)
400
36 / (-4)
-9
