Question

calculati nr de 0,02 ori mai mic decit:a)3,7 b)5,003 c)0,2 d)4,8÷12 si e)5,8÷2,9

Answer 1

A) 3,7:0,02=185
37/10:2/100=37/10x100/2=370/2=185
370:2=185
2
17
16
=10
..10
..==

B)5,003:0,02=250, 15
5003/1000:2/100=5003/1000×100/2=5003/20=250,15
5003:20=250,15
40
100
100
===3
.......0
.......30
.......20
.......100
.......100
.......===


C) 0,2:0,02=10
2/10:2/100=2/10×100/2=20/2=10
20:2=10
2
=0
..0
..=

D) 4,8:12:0,02=0,4:0,02=20
48/10:12=48/10×1/12=48/120=0,4
48:120=0,4
0
480
480
===

4/10:2/100=4/10×100/2=2×10=20

E)5,8:2,9:0,02=2:0,02=100
58/10:29/10=58/10×10/29=58/29=2
58:29=2
58
==

2:2/100=2×100/2=100