1.Oblicz i wstaw znak<albo=,albo>.(51+9):(17+3)....3 (42-7):(14-9)....7 (19+45):(12-4)....7 (17+53):(16-9)...8 (51+29):(12-4)...10 (66-38):(11-4)..5 2.Oblicz.11x(43-35)+2= 9x(73-64)+5= 6x(42+18)-20= 72:(35-26)+7= 54:(92-86)-9= 56:(23-16)=12=
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(51+9):(17+3) = 3
(42-7):(14-9) = 7
(19+45):(12-4) > 7
(17+53):(16-9) > 8
(51+29):(12-4) = 10
(66-38):(11-4) < 5
2.Oblicz.
11x(43-35)+2= 88x +2
9x(73-64)+5= 81x + 5
6x(42+18)-20= 360x - 20
72:(35-26)+7= 15
54:(92-86)-9= 0
56:(23-16)-12 = -4
Z.1
(51+9):(17+3)=60:20=3 = 3
(42-7):(14-9)=35:5=7 = 7
(19+45):(12-4)=64:8=8 > 7
(17+53):(16-9)=70:7=10 > 8
(51+29):(12-4)=80:8=10 = 10
(66-38):(11-4)=28:7=4 < 5
z.2
11x(43-35)+2=11x8+2=88+2=90
9x(73-64)+5=9x9+5=81+5=86
6x(42+18)-20=6x60-20=360-20=340
72:(35-26)+7=72:9+7=8+7=15
54:(92-86)-9=54:6-9= 9-9=0
56:(23-16)-12=56:7-12=8-12=-4