Cómo calcular matemáticas simples en el primer volumen de sexto grado
=34×3.5×1.01-3.5×34×1.01
=0
8+89+899+8999+ 89999
=9+99090090000-5
=99999-5
=99994
0,67×2,1 +0,018×21+8,5×0,79
=0,67×2,1+0,18×2,1+8,5×0,79
=(0,67+0,18)×2,1+8,5×0,79
=0,85×2,1+0,85×7,9
=0,85×(2,1+7,9)
=0,85×10
=8,5
22222.2×9.99999
=22222.2×(10-0.00001)
=222222-0.222222
=222221.777778
1997× 19961996-1996×19971997
=1997×1996×10001-1996×1997×10001
=0
0.02+0.04+0.06+0.08+…… +19,94+19,96+19,98
=(0,02+19,98)×999÷2
=10×999
=9990
99999×77778+33333×66666
=99999×77778+99999×22222
=99999×(77778+22222)
=99999×100000 p>
=9999900000
(4 5/6-3 3/4)/(3/14+2/7)
=13/12÷1 /2
=13/6
=2 y 1/6
(4.8/1 y 4/5+3 y 1/2+7 y 1/ 3)*4/9
=(2 2/3+7 1/3+3.5)*4/9
=(13.5)*4/9
=13,5*4/9
=6
17,2/(3 2/5-1,25)*2/3
=17,2 /2,15*2/3
=17,2÷43/3
=1,2
5*5 y 1/5
= 5*5+5*1/5
=25+1
=26
(5 2/5-1.8)/[(1.15 +13 /20) * 1 2/3]
=3.6/[1.8*5/3]
=3.6/3
=1.2
3 5/8*5 1/5+5 1/5*6 3/8.
=5.2*(3 5/8+6 3/8)
=5.2*10
=52
[3/4-7/8/(5/6+4/5)]*28
= [3/4-7/8÷49/30]*28
=[3/4-15/28]*28
=3/4*28- 15/ 28*28
=21-15
=6
(1.25*4/5-0.76)/(1 y 3/8+1 y 1/40)
=(1-0.76)/2.4
=0.24/2.4
=0.1
[(0.2 +1 /3)*4.5]/(8 y 1/20-6.45)
=8/15*4.5/1.6
=2.4/1.6
= 1,5
<p>(4 6/7+1.75)/1 y 11/14+3 y 5/6