(Efectuati)
a)0,32*1,9=
b)1,26*0,29=
c)7,4*0,065=
d)2,02*0,23=
e)0,016*1,5=
f)6,132*3,2=
ex2
a)13,8:4
b)8,68:7
c)169,2:38
d)78,2:4
Răspunsuri la întrebare
Răspuns:
Explicație pas cu pas:
a)
0,32 x
1,9
-------
288
32
------
0,608
b)
1,26 x
0,29
--------
1134
252
--------
0,3654
c)
7,4 x
0,065
--------------
370
444
---------
0,481
d)
2,02 x
0,23
--------
606
404
---------
0,4646
e)
0,016 x
1,5
-----------
80
16
---------
0,024
f)
6,132 x
3,2
-----------
12264
18396
------------
19,6224
a)
13,8 : 4 = 3,45
12
----
=18
16
----
=20
20
----
==
b)
8,68 : 7 = 1,24
7
---
16
14
---
=28
28
----
==
c)
169,2 : 38 = 4,4(526315789473684210)
152
-----
=172
152
------
=200
190
-------
=100
76
------
=240
228
------
=120
114
------
==60
38
----
220
190
------
=300
266
------
=340
304
-------
=360
342
------
=180
152
------
=280
266
-------
=140
114
-----
=260
228
-------
=320
304
------
=160
152
-----
==80
76
----
=40
38
---
=20
00
-----
200 (de aici se repeta)
d)
78,2 : 4 = 19,55
4
---
38
36
---
=22
20
---
=20
20
-----
==