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¾*4*2 +5 = 6+5 = 11
d) -2ab+7 dla a=0 b=12
-2*0*12 +7 = 0+7 = 7
-8×3×b+3²=-24b+9
b=-24/10=-2,4
b) 3/4xy+5 dla x = 4 y = 2
¾×4×2+5=3×2+5=11
c)4a+3xy+5 dla a=-3 b=1/3 tu jest coś pomieszane
4×(-3)+3×1/3×(-3)+5=-12-3+5=-10
d) -2ab+7 dla a=0 b=12
-2×0×12+7=0+7=7