Question

0,121:11/12=?
43,75*2/35=?
13/21*8,4=?

Answer 1

0,121÷$frac{11}{12}$=$frac{121}{1000}$×$frac{12}{11}$=$frac{11}{1000}$×$frac{12}{1}$=$frac{132}{1000}$=$frac{66}{500}$=$frac{33}{250}$
43,75×$frac{2}{35}$=4375/10000×2/35=125/5000×11/1=125/5000=25/1000=5/200=1/40
13/21×8,4=13/21×84/100=13/1×4/100=52/100=26/50=13/25

Answer 2

без этих tex mex

Answer 3

0,121÷11/12=121/1000×12/11=11/1000×12/1=132/1000=(поделить на 2) 66/500=(поделить на 2)=33/250

Answer 4

43,75×2/35=4375/10000×2/35=(4375÷35, и 10000÷2)=125/5000×1/1=125/1000=(÷5)25/1000=(÷5)5/200=(×5)1/40

Answer 5

13/21×8,4=13/21×84/100=(84÷21)13/1×4/100=52/100=(÷2)26/50=(÷2)13/25

Answer 6

спс