Treinta respuestas clave a cálculos simples para sexto grado

=4×8×125×25

=(4×25)×(8×125)

=100×1000

=100000 9048÷26

=(2602602601248)÷26

=2600÷26+2600÷26+2600÷26 +1248÷26

=10101048

=348

2881÷ 43

=(1291591 )÷ 43

=1290÷43+1591÷43

=337 =67 3,2×42,3×3,75-12,5×0,423×16

= 3,2×42,3×3,75-1,25×42,3×1,6

=42,3×(3,2×3,75-1,25×1,6)

=42,3×(4×0,8×3,75-1,25×4 ×0,4)

=42,3×(4×0,4×2×3,75-1,25×4×0,4)

= 42,3×(4x 0,4x 7,5-1,25 x4 0,4)

=42.3×[4×0.4×(7.5-1.25)]

=42.3×[4×0.4×6.25]

=42.3×(4×2.5 )

=423

1,8+18÷1,5-0,5×0,3

=1,8+12-0,15

=13,8-0,15

=13.65

6.5×8+3.5×8-47

= 52+28-47 = 80-47 = 33 (80-9.8) × 2/5-1.32

=70.2X2/5-1.32

=28.08-1.32

=26.76

8×7 4 ÷[1÷(3.2-2.95)]

=8×4/7÷[1÷0.25]

=8×4/7÷4

=8/7

2700×(506-499)÷900

=2700×7÷900

=18900÷900

=21