Răspuns:
Explicație pas cu pas:
a. 2/3÷1/6=2/3x6/1=4
b. 7/6÷21/22=7/6x22/21=11/9
c. 4÷2/3=4x3/2=6
d. 7/8÷3=7/8x1/3=7/24
e. 13/6÷13/3=13/6x3/13=1/2
f. 1/8÷11/5=1/8x5/11=5/88
g. 5÷1/6÷3/4=5x6/1x4/3=5x2x4=40
h. 25/8÷11/5÷5/4=25/8x5/11x4/5=25/22
i. 16/3÷(5/2÷15/4)=16/3÷(5/2x4/15)=16/3÷2/3=16/3x3/2=8
j. 14/3÷(21/4÷7/2)÷28/9=14/3÷(21/4x2/7)÷28/9=14/3÷3/2÷28/9=14/3x2/3x9/28=3
k. 1/(5²x3)÷1/(3²x5)=3/5
l. 1/2¹⁰⁰⁰÷1/4⁵⁰⁰=1/2¹⁰⁰⁰÷1/(2²)⁵⁰⁰=1/2¹⁰⁰⁰÷1/2¹⁰⁰⁰=1/2¹⁰⁰⁰x2¹⁰⁰⁰/1=0
