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exercitiul 10 va rog ​

Exercitiul 10 Va Rog class=

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1. 3.600 :100 -a :4=29|x4

3.600 : 100 -a =116|-100

3600=16 :3600

=225

2. 4200:10+a=1987|-10

4200:a=1977|x 4200

=8.303.400

3. a-3600 :100=439

a-3600=439|x100

a-3600=43.900|+3600

a=47.500

4. 48.000:1000+a:5=57

48.000:1000+a=285|-1000

48000=815|x48.000

=39.120

5.a+11.700 :100x3=976

a+11.700:100=976|x3

a+11.700 :100=2928|x100

a+11.700=292.800|-11.700

a=281.700

:-)

3600:100-28:4=29

3600:100=36

28:4=7

36-7=29

4200÷10+1567=1987

4200÷10=420

420+1567=1987

475-3600÷100=439

3600÷100=36

475-36=439

48000÷1000+45÷5=57

48000÷1000=48

57-48=9

9×5=45

625+11700÷100×3=976

11700÷100=117

117×3=351

625+351=976