Oblicz krzystając z kolejności działań:
a)120:2+2x=
120:(2+2x)=
b)23-12:2x3=
23-12:(2x3)=
a)
120:2+2×3² = 60+2×9 = 60+18 = 78
120:(2+2×3²) = 120:(2+2×9) = 120:(2+18) = 120:20 = 6
b)
23-12:2×3 = 23-6×3 = 23-18 = 5
23-12:(2×3) = 23-12:6 = 23-2 = 21
a)120:2+2x=60+2*9=60+18=78
120:(2+2x)=120:(2+2*9)=120:(2+18)=120:20=6
b)23-12:2x3=23-6*3=23-18=5
23-12:(2x3)=23-12:6=23-2=21
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a)
120:2+2×3² = 60+2×9 = 60+18 = 78
120:(2+2×3²) = 120:(2+2×9) = 120:(2+18) = 120:20 = 6
b)
23-12:2×3 = 23-6×3 = 23-18 = 5
23-12:(2×3) = 23-12:6 = 23-2 = 21
a)120:2+2x=60+2*9=60+18=78
120:(2+2x)=120:(2+2*9)=120:(2+18)=120:20=6
b)23-12:2x3=23-6*3=23-18=5
23-12:(2x3)=23-12:6=23-2=21