Question

Qual o número dessa colocado no quadrado

a) [__]+690=800
b)1500+[__]=6730
c)[__]-1250=360
d)821+[__]=1000
me ajudemmm por favorrrrrr ​

Answer 1

a) [_?_]+690=800

800 - 690 = 110

---> [110] +690=800

b)1500+[_?_]=6730

6730 - 1500 = 5.230

---> 1500+[5.230]=6730

c)[_?_]-1250=360

1250 + 360 = 1.610

---> [1.610]-1250=360

d)821+[_?_]=1000

1000 - 821 =179

---> 821+[179]=1000