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Is (-15)xx[(-7)+(-1)]=(-15)xx(-7)+(-15)x...

Is `(-15)xx[(-7)+(-1)]=(-15)xx(-7)+(-15)xx(-1)`?

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Fill in the blanks : (-10)xx[(-15)+(-5)]=9(-10)xxsquare+(-10)xx(-5)

Solve: (12)/(15)-7/(15)

Using appropriate properties find : (2)/(5) xx ((-3)/(7)) - (1)/(6) xx (3)/(2) + (1)/(14) xx (2)/(5) = (2)/(5) xx ((-3)/(7)) + (1)/(14) xx (2)/(5) - (1)/(cancel6) xx (cancel 3)/(2) = (2)/(5) xx ((-3)/(7) + (1)/(14) ) - (1)/(4) = (2)/(5) xx ((-6+1)/(14))- (1)/(4) = (cancel 2)/(cancel 5) xx (-cancel 5)/(cancel14) - (1)/(4) = (-1)/(7) - (1)/(4) (- 4 - 7)/(28) = (-11)/(28)

Using the given pattern,find the missing numbers. 11 xx 13 = (12-1)xx(12+1) = 12^2 -1 13 xx 15 = (14-1)xx(14+1) = 14^2 - 1 15 xx 17 = (16-1) xx(16+1) = 16^2 -1 19 xx 21 = ________.

Find (-4)/5xx3/7xx15/16xx((-14)/9