Cálculo de ecuaciones recursivas en cuarto grado de primaria
1.
340÷5 340÷5
=68 68
=136
2.
55×101-55 16×25
=55×(100 1)-55 400
=5500 55-55 400
=5900
3.
8421-277-623 579
=8421 579-(277 623)
=9000-900
=8100
4.
(364-456)-(544-636)
=364-456-544 636
=364 636-(456 544)
=1000-1000
=0
5.
62×4 44 ×5 5×18
=62×4 5×(44 18)
=62×4 5×62
=62(4 5)
=62*9
=558
6.
6200÷124
=50
7.
(7500÷15)÷(25×2)
=500÷50
=10
8.
3400-62×34-38×20-38×14
=3400-62×34-38(20 14)
= 3400-62×34-38×34
=3400-34(62 38)
=3400-34*100
=3400-3400
=0