-2 * (-4-6)-(4-9) =
-4 *(6-8)-(-5+2) =
-2 * (-4-6)-(4-9) = -2*(-10)-(-5)= -2 * (-10) + 5= 20+5= 25
-4 *(6-8)-(-5+2) = -4 * (-2) - (-3)= -4 * (-2) + 3 = 8+3= 11
Mam nadzieje, że pomogłam. Powinno być dobrze. ;)
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-2 * (-4-6)-(4-9) = -2*(-10)-(-5)= -2 * (-10) + 5= 20+5= 25
-4 *(6-8)-(-5+2) = -4 * (-2) - (-3)= -4 * (-2) + 3 = 8+3= 11
Mam nadzieje, że pomogłam. Powinno być dobrze. ;)