CORREÇÃO DAS ATIVIDADES DO DIA 09 DE JUNHO - 6º ANO

Gabarito do dia 09/ 06 / 2020.

 

2)  a) X + 12 = 78                                              b) X – 37 = 13

X= 78 – 12                                                        X = 13 + 37

X= 66                                                               X = 50

c) X + 287 = 382                                               d) X + 176 = 528

X= 382 – 287                                                    X = 528 – 176

X = 95                                                              X= 352

 

e) X – 63 = 17

X = 17 + 63

X= 80

3)   a) 12 + 15 : 3=                                            b) 20: 4 + 3. 2 – 3 =

12 + 5 = 17                                                       5 + 6 – 3 =

11 – 3 = 8

 

c)  [ 2 + ( 5 + 7 ) – 3 ] – 1 =                                d) 350 -36 – 24 + 80=

[ 2 + 12 – 3 ] – 1 =                                            432 – 24 + 80 =

[ 2 + 9 ] – 1=                                                    408 + 80 = 488

11 – 1 = 10

 

4)  X = 62

 

5)  X = 51

 

6)  a) 1348                                                       b) 8431

 

7)   a) 8                                                             b) 7

c) 1                                                                 d) 6