Question

2 calculati
a. 20-4/25-1/4=?
b. 4intregi1/6+6intregi1/2-8ibtregi1/3=?
c. 2intregi5/7-(-1/3)+5=?
d. -1+(-2/9)+5/36+(-7/12)=?
e. -3intregi1/5+(-2intregi1/6+3/2)=?
f. 8/15-(-1intreg2/3+2intregi1/5)+7/15=?
VA ROG MULT!!!​

Answer 1

Răspuns:

a. 1959/100 ( 19 intregi 59/100)

b. 7/3 ( 2 intregi 1/3)

c. 169/21 ( 8 intregi 1/21)

d. -5/3 ( - 1 intreg 2/3)

e. -58/15 ( - 3 intregi 13/15)

f. 7/15

Explicație pas cu pas:

a. 20-4/25-1/4=2000/100-16/100-25/100=1959/100

b. 25/6+13/2-25/3=25/6+39/6-50/6=14/6=7/3

c. 19/7-(-1/3)+5=57/21+7/21+105/21=169/21

d. -1+(-2/9)+5/36+(-7/13)=-36/36-8/36+5/36-21/36=-60/36= -5/3

e. -16/5+(-13/6+3/2)=-16/5+(-13/6+9/6)=-16/5-4/6=-96/30- 20/30= -116/30=-58/15

f. 8/15-(-5/3+11/5)+7/15=8/15+25/15-33/15+7/15=7/15