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Afla nr necunoscut a)600÷10+×=200 b)×-600÷100=224 c)400÷10+×=300 d)×-300÷100=97

Răspuns :

Rodi11
a)600÷10+×=200
60+x=200
x=200-60
x=140


b)×-600÷100=224
x-6=224
x=224+6
x=230

c)400÷10+×=300
40+x=300
x=300-40
x=260

d)×-300÷100=97
x-3=97
x=97+3
x=100

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