Matematyka
doris18komo
2021-06-11 16:23:55
Pomóżcie potrzebne ! z rozwiązaniem plis  (30 - 7 5/8) - (9 30/48 + 8 36/48) =  4 2/7 * 3 5/10 - (8 5/6 - 4 4/6) * 6/5 = 6 3/4 * 1 3/7 * 14/45 * 33 1/3 : 2 =  [1*(1 1/4 * 18 2/5)] + 4 - [(30 - 7 5/8) - (9 32/48 + 8 34/48)] = 
Odpowiedź
KaliszeQ
2021-06-11 18:05:52

(30 - 7 5/8) - (9 30/48 + 8 36/48) = (30-61/8)-(9 30/48+8 36/48)=179/8-(77/8+35/4)= =179/8-147/8=4 4 2/7 * 3 5/10 - (8 5/6 - 4 4/6) * 6/5 =30/7*7/2-(8 5/6-4 4/6)*6/5=15-(53/6-14/3)*6/5= =15-25/6*6/5=15-5=10 6 3/4 * 1 3/7 * 14/45 * 33 1/3 : 2 = 27/4*10/7*14/45*33 1/3:2=135/14*14/45*33 1/3:2= =3*100/3:2=100:2=50 [1*(1 1/4 * 18 2/5)] + 4 - [(30 - 7 5/8) - (9 32/48 + 8 34/48)] =  =5/4*92/5+4-(30-7 5/8-(9 32/48+8 34/48))=23+4-(30-7 5/8-(9 32/48+8 34/48))= =27-(30-61/8-(9 32/48+8 34/48))=27-(179/8-(29/3+209/24))=27-(179/8-147/8)= =27-4=23

xdaguux
2021-06-11 18:07:07

( 30 -7i5/8) - ( 9i30/48 +8i 36/48) = (29i8/8 - 7i5/8) - 17i66/48 = 22i3/8 - 18i18/48 = = 22i18/48 - 18i18/48 = 4 4i2/7 *3i5/10 - (8i5/6 - 4i4/6) *6/5 = 30/7 * 35/10 -(4 i1/6) *6/5 = 3/1 * 5/1 - 25/6* 6/5 = = 15/1 - 5/1 * 1/1 = 15 - 5/1 = 15 - 5 = 10 6i3/4 * 1i3/7 *14/45 *33i1/3 : 2 = 27/4 * 10/7 * 14/45 *100/3 : 2 = 9/2 * 5/1 *2/9 * 20/1 : 2 = 1800/18 : 2 = 100 : 2 = 50 [1* (1i1/4 * 18i2/5)] + 4-[(30-7i5/8) -(9i32/48 +8i34/48)] = [1* ( 5/4 * 92/5)] + 4 -[( 29i8/8 -7i5/8) - 17i66/48 ] = [1* (1/1 * 23/1)] + 4 - [22 i 3/8 - 18 i 18/48] = [1* 23 ] + 4 - [ 22i18/48 - 18 i18/48] = 23 + 4 - 4 = 23

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