Salut!
1. 48:8=6•3=18:6=3•2=6•8=48
2. 128+39=177
100-99=1
177+1=178
1.100-333=667
600+200=800
667+800=1.467
3. a) 8+23+125=156
36+129+1.254=1.419
135+343+228=706
1.250+2.220+3.459=6.929
b) 125-100-6=19
908-34-125=749
1.230-222-35=970
4.320-1.234-1.276=1.810
c) 125+986-306=805
805-78+129=856
1.236+129-89=1.276
5.000-3.267+128=1.861
4. a) 3•3•5=45
1•4•4=16
5•2•7=70
2•3•6=36
b) 24:8:3=1
48:8:3=2
72:8:3=3
32:4:4=2
c) 5•6:3=10
24:4•9=54
2•9:3=6
56:7•5=40
5. a+b-c
1. 980
2. 2.279
3. 2.563
4. 2.211
a-c+b
1. 980
2. 2.279
3. 2.563
4. 2.211
a:b•c
1. 9
2. 30
3. 42
4. 70
6. a) 1. 2
2. 5
3. 4
4. 3
b) 1. 9
2. 4
3. 9
4. 7
c) 1. 2
2. 25
3. 24
4. 2
Succes!