Question

o întrebare la matematică

Answer 1

Salut,

a)

45+15:5-18:3=

45+3-6=

48-6=42 (S)

106-5*4-4*9=

106-20-36=

86-36=50 (E)

b)

(81+19):10:10*1=

100:10:10*1=

10:10=1 (V)

9*7-(25+7*3)=

9*7-(25+10)=

9*7-35=

63-36=17 (E)

c)

(14+67):9+21+3*7=

81:9+21+21=

9+21+21=

30+21=51(L)

100-(63:7+56:8):4=

100-(9+7):4=

100-16:4=

100-4=96 (I)

By 266y67x