Question 53088
98*7= 7(90+8)
wrong


9*28 = 9(20+8)
wrong


78*8 = (70+8)8
wrong


7(2,009) = 7(2,009)
wrong


899*5 = (800 +99)5
wrong


30*105 = 30(100*5)
wrong


8*5-12*5 = 5(5+3)-5(10+2) or 5(8)-5(12)
strange or wrong


7*10+7(-3) = 7(10+3)
wrong


-4(3)+(-4)(6) = -4(3+6)
CORRECT


6(8) +6(-2) = 6(8+2)
wrong