Question

Calcule o valor das expressões:
a) 10-1+8-4=______
b) 12-8+9-3=______
c) 25-1-4-7=_______
d) 45-18+3+1-2=_____
e) 75-10-8+5-1=______
f) 10+5-6-3-3+1=______
g) 237+98=__________
ajudaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa

Answer 1

$a) 10 - 1 + 8 - 4 \\ 18 - 1 - 4 \\ 18 - 5 \\ \large\boxed{\red{13}}$

_____________________________________

$b)12 - 8 + 9 - 3 \\ 21 - 8 - 3 \\ 21 - 11 \\ \large\boxed{\red{10}}$

______________________________________

$c)25 - 1 - 4 - 7 \\ 25 - 12 \\ \large\boxed{\red{13}}$

______________________________________

$d)45 - 18 + 3 + 1 - 2 \\ 49 - 18 - 2 \\ 49 - 20 \\ \large\boxed{\red{29}}$

______________________________________

$e)75 - 10 - 8 + 5 - 1 \\ 80 - 10 - 8 - 1 \\ 80 - 19 \\ \large\boxed{\red{61}}$

______________________________________

$f)10 + 5 - 6 - 3 - 3 + 1 \\ 16 - 6 - 3 - 3 \\ 16 - 12 \\ \large\boxed{ \: \red{4} \: }$

______________________________________

$g)237 + 98 \\ \large\boxed{\red{335}}$

______________________________________

Att, IzabelaCristina2006 ❤️ ♈