Question

Va rog ajutațimă , rezolvați tot exercițiul 1 repede!!
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Answer 1

Răspuns:

a) 5/6 din 300=5/6*300=5/1 *50=250

b) 2/3din600=2/3*600=2/1*200=400

c) 4/7 din1400=4/7*1400=4/1*200=800

d) 3/8 din120=3/8*120=3/4*60=3/2*30=3/1*15=45

e) 3/8 din100=3/4*50=3/2*25=3*25/2=75/2=35,5

f) 11/20 din1000=11/2*100(AM TAIAT 0 CU 0)11/1*50=550

Answer 2

Răspuns:

Explicație pas cu pas:

a) (5/6)·300 = 5·300/6=5·50= 250

b) (2/3)·600= 2·600/3= 2·200= 400

c) (4/7)·1400= 4·1400/7=4·200=800

d) (3/8)·120= 3·120/8= 3·15=45

e) (3/4)·100=3·100/4= 3·25=75

f) (11/20)·1000= 11·1000/20= 11·50= 550