Răspuns :
3)1l=1000ml
3min=60•3=180s(1min=60s)
300l=30dal
35000g=3,5kg
10hm=1km
120min=2 ore(60min=1 oră)
200 bănuți de 10 bani=20 lei (10 bănuți=1 leu)
100q=1t
5zile=24•5=120 ore
20dm=2000mm
1)30:5=6 deoarece 5•6=30
26:4=6,2
24
=2
62:8=7,6
56
=6
28:2=14
2
=8
8
=
99:9=11 deoarece 9•11=99
84:6=14
6
24
24
==
248:4=62
24
==8
8
=
425:5=85
40
=25
25
==
383:7=54,5
35
=33
28
=5
62,008:8=7,751
56
=60
56
=40
40
==8
8
=
90000:100=900
900
===0
0
=0
0
=
2)a:6=8
a=6•8=48
a:5=7=>a=7•5=35
36:a=4=>a=4•36=144
161:a=8,1=>a=8,1•161=1304,1
187:a=14,5=>a=14,5•187=2711,5
a•18=450=>a=450÷18=25
3min=60•3=180s(1min=60s)
300l=30dal
35000g=3,5kg
10hm=1km
120min=2 ore(60min=1 oră)
200 bănuți de 10 bani=20 lei (10 bănuți=1 leu)
100q=1t
5zile=24•5=120 ore
20dm=2000mm
1)30:5=6 deoarece 5•6=30
26:4=6,2
24
=2
62:8=7,6
56
=6
28:2=14
2
=8
8
=
99:9=11 deoarece 9•11=99
84:6=14
6
24
24
==
248:4=62
24
==8
8
=
425:5=85
40
=25
25
==
383:7=54,5
35
=33
28
=5
62,008:8=7,751
56
=60
56
=40
40
==8
8
=
90000:100=900
900
===0
0
=0
0
=
2)a:6=8
a=6•8=48
a:5=7=>a=7•5=35
36:a=4=>a=4•36=144
161:a=8,1=>a=8,1•161=1304,1
187:a=14,5=>a=14,5•187=2711,5
a•18=450=>a=450÷18=25
1)
30:5=6
26:4=6,5
62:8=7,75
28:2=14
99:9=11
84:6=14
248:4=62
425:5=85
383:7=54,71429
62,008:8=7,751
170:580=0,2931
9000:100=90
2)
a:6=8
a=6×8
a=48
a=48:6=8
36:a=4
a=36:4
a=9
a=36:9=4
a:5=7
a=5×7
a=35
a=35:5=7
161:a=8rest1
a=1,304rest1
a=1,304rest1:161
a=8rest1
a×18=450
a=450:18
a=25
a=25×18=450
187:a=14rest5
a=187×14rest5
a=2,711rest5
a=2,711rest5:187=14rest5
3)
1l=1000ml
3minute=180secunde
30l=300dal
35,000g=35,000kg
10hm=1km
120minute=2ore
120banuti de 10bani=20lei
500g=0,5kg
100q=1t
5zile=120ore
20dm=2000mm
30:5=6
26:4=6,5
62:8=7,75
28:2=14
99:9=11
84:6=14
248:4=62
425:5=85
383:7=54,71429
62,008:8=7,751
170:580=0,2931
9000:100=90
2)
a:6=8
a=6×8
a=48
a=48:6=8
36:a=4
a=36:4
a=9
a=36:9=4
a:5=7
a=5×7
a=35
a=35:5=7
161:a=8rest1
a=1,304rest1
a=1,304rest1:161
a=8rest1
a×18=450
a=450:18
a=25
a=25×18=450
187:a=14rest5
a=187×14rest5
a=2,711rest5
a=2,711rest5:187=14rest5
3)
1l=1000ml
3minute=180secunde
30l=300dal
35,000g=35,000kg
10hm=1km
120minute=2ore
120banuti de 10bani=20lei
500g=0,5kg
100q=1t
5zile=120ore
20dm=2000mm