Problemas matemáticos sencillos para sexto grado de primaria

=2/7-1/7 2/5

=1/7 2/5

= 19/35

3,14×2,3 3,14×3,7

=3,14×(2,3 3,7)

=3,14×6

=18,84

12,5×(6,1 0,26)×8

=(12,5×8)×6,36

=100×6,36

=636

14/15×1/4 1/15÷4

=14/15×1/4 1/15×1/4

=( 14/15 1/15)×1/4

=1×1/4

=1/4

930÷[1/2×( 2/5 4/5)]

=930÷[1/2×6/5]

=930÷3/5

=1550

3 2/5×99 3.4

=3.4×99 3.4

=3.4×(99 1)

=3.4×100

=340