Documenti didattici di Matematica

Un problema di calcolo della distanza tra due auto dopo un certo lasso di tempo.

2+3/2+[frac{3-2}{8}+frac{22+6-9}{12}-frac{16+25-1}{30}]+9/8= 2+3/2+[1/8+19/12-40/30]+9/8= 2+3/2+[1/8+19/12-4/3]+9/8 2+3/2+(3+38-32)/24+9/8 2+3/2+9/24+9/8 2+3/2+3/8+9/8 (16+12+3+9)/8 40/8 5

=(1)/(2)+[(7+6)/(12)-(27-6-8)/(12)]+((2)/(9)-(1)/(36))+(1)/(18)==(1)/(2)+[(13)/(12)-(13)/(12)]+(8-1)/(36)+(1)/(18)==(1)/(2)+0+(7)/(36)+(1)/(18)==(18+7+2)/(36)==(27)/(36)==(3)/(4)

=1-[3/6+1/12+5/3-5/4]= =1-[(6+1+20-15)(12)]= =1-12/12= =1-1= =0

=10/3+5/2-[2+5/3-1/6-3/2]= =(20+15)/(6)-(12+10-1-9)(6)= =35/6-12/6= =23/6

[(54+80-35)/30+(32+5-22)/12]-(32-25+28)/20 [99/30+15/12]-35/20 [33/10+5/4]-7/4 [(66+25)/20]-7/4 91/20-7/4 (91-35)/20 56/20 14/5

(45-5+16)/40-[2-(16-1)/8]-(56+5)/40 56/40-[2-15/8]-61/40 7/5-[(16-15)/8]-61/40 7/5+1/8-61/40 (56+5-61)/40 0/40 0

((35-3)/5)-[4/3-((3-1)/3)+5-((6+4)/3)-1/5]+26/15 32/5-[4/3-2/3+5-10/3-1/5]+26/15 32/5-[(40-20+150-100-6)/30]+26/15 32/5-64/30+26/15 180/30 6

5/2-{(6-1)/4+[(10+8-15)/20+(5+12-4)/30]} 5/2-{5/4+[3/20+13/30]} 5/2-{5/4+(9+26)/60} 5/2-{5/4+35/60} 5/2-{(75+35)/60} 5/2-110/60 (150-110)/60 40/60 2/3

11/10-{9/5+[(45-4)/60-1/3]-8/5}-1/2 11/10-{9/5+[41/60-1/3]-8/5}-1/2 11/10-{9/5+(41-20)/60-8/5}-1/2 11/10-{9/5+21/60-8/5}-1/2 11/10-{(108+21-96)/60}-1/2 11/10-33/60-1/2 (66-33-30)/60 3/60 1/20

Scopri l'invenzione della scrittura cuneiforme a Uruk, rivoluzione dei Sumeri nel 3300 a.C.

{[(9+4+12)/12+(12+25)/20]+[1/2+(3+1)/3+5/6]}+20/10 {[25/12+37/20]+[1/2+4/3+5/6]}+20/10 {(125+111)/60+(3+8+5)/6}+20/10 {236/60+16/6}+20/10 (236+160)/60+20/10 396/60+20/10 (396+120)/60 516/60 43/5

5/2-{[9/2-(18-3)/8]-[(6+5)/4-(3+2)/6]+1/24} 5/2-{[9/2-15/8]-[11/4-5/6]+1/24} 5/2-{(36-15)/8-(33-10)/12+1/24} 5/2-{21/8-23/12+1/24} 5/2-(63-46+1)/24 5/2-18/24 (60-18)/24 42/24 7/4

2-{[2/3+14/15]-[11/15-(10+11-4)/30]}+(12+25-10)/30-3/5 2-{(10+14)/15-[11/15-17/30]}+27/30-3/5 2-{24/15-(22-17)/30}+27/30-3/5 2-{24/15-5/30}+27/30-3/5 2-(48-5)/30+27/30-3/5 2-43/30+27/30-3/5 (60-43+27-18)/30 26/30 13/15

{[(33-10)/12-(4+9)/12-2/3]+(24+4+1)/6}+(4+35+1)/10 {[23/12-13/12-2/3]+29/6}+40/10 {(23-13-8)/12+29/6}+40/10 {2/12+29/6}+40/10 (2+58)/12+40/10 60/12+40/10 5+4 9

{[(12+25-10)/30-1/2]+(8-5)/20+(20+31)/20}-(25+21-15)/60-(33-10)/12 {[27/30-1/2]+3/20+51/20}-31/60-23/12 {(27-15)/30+54/20}-31/60-23/12 {12/30+54/20}-31/60-23/12 (162+24)/60-31/60-23/12 186/60-31/60-23/12 (186-31-115)/60 40...

{[(6+5)/4-(3+2)/6+(6+8-9)/12]-(16+6+21)/24}-1/24 {[11/4-5/6+5/12]-43/24}-1/24 {(33-10+5)/12-43/24}-1/24 {28/12-43/24}-1/24 (56-43)/24-1/24 13/24-1/24 12/24 1/2

{[3/8+(6+25-10)/15+(90+15+18-50)/30]-3/4}-7/8 {[3/8+21/15+73/30]-3/4}-7/8 {(45+168+292)/120-3/4}-7/8 {505/120-3/4}-7/8 (505-90)/120-7/8 415/120-7/8 (415-105)/120 310/120 31/12

{[(20-12+45)/60+(10-3)/12]+(54-10+45)/90-3/2} {[53/60+7/12]+89/90-3/2} {(53+35)/60+89/90-3/2} {88/60+89/90-3/2} {44/30+89/90-3/2} (132+89-135)/90 86/90 43/45

{7/10-[(44+30+2-10)/55-(25+21-15)/60]}+1/12 {7/10-[66/55-31/60]}+1/12 {7/10-[6/5-31/60]}+1/12 {7/10-(72-31)/60}+1/12 {7/10-41/60}+1/12 (42-41)/60+1/12 1/60+1/12 (1+5)/60 6/60 1/10