calcule as expressões observando a ordem de resolução [3/8+(2/5:8/5)+(27/5:3/10)+(1:7/10)*4/5]=
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[3/8 + (2/5 : 8/5) + (27/5 : 3/10) + (1 : 7/10) x 4/5]
[3/8 + 10/40 + 270/15 + 10/7 x 4/5]
[3/8 + 1/4 + 18 + 40/35]
[3/8 + 1/4 + 18 + 8/7]
Pelo M.M.C. teremos:
21+14+1008+64/56
1107/56
[3/8 + 10/40 + 270/15 + 10/7 x 4/5]
[3/8 + 1/4 + 18 + 40/35]
[3/8 + 1/4 + 18 + 8/7]
Pelo M.M.C. teremos:
21+14+1008+64/56
1107/56
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