Oblicz pola trójkątów. Z obliczeniami, kto zrobi lepiej, temu NAJ !!!
a) 10 +10 = 20 10 *20 :2 = 100 j2b) 0,3*0,4:2 =0,06 j2 c) (4*3) :2 = 6j2 d)4+3 = 7 7*3 :2 = 10,5 j2
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a) 10 +10 = 20 10 *20 :2 = 100 j2
b) 0,3*0,4:2 =0,06 j2
c) (4*3) :2 = 6j2
d)4+3 = 7 7*3 :2 = 10,5 j2