Question

alguém pode me ajudar?

Answer 1

1.a)

$06h48'40"+\\02h20'30"=\\08h68'70"=\\09h09'10"$

1.b)

$05h20'00"+\\07h42'50"=\\12h62'50"=\\13h02'50"$

1.c)

$04h15'10"-\\01h40'30"=\\\\03h74'70"-\\01h40'30"=\\02h34'40"$

1.d)

$06h05'00"-\\04h50'16"=\\\\05h64'60"-\\04h50'16"=\\01h14'44"$

1.e)

$3 \cdot 02h43'30"=\\06h129'90"=\\08h10'30"$

1.f)

$05h13'00" \div 2=00h312'60"=00h156'30"=02h36'30"$

2)

$07h05'00"-\\06h40'16"=\\\\06h64'60"-\\06h40'16"=\\00h24'44"$

3)

$19h35'40"+\\01h40'35"=\\20h75'75"=\\21h16'15"$