
OPERACIONES COMBINADAS CON NÚMEROS DECIMALES
Authored by Erick Jonathan Corzo Neciosup
Mathematics
7th Grade
Used 167+ times

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8 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
{ (48 ÷ 6 ) + 2,20 + 5,30 } x 4,40
73,27
68,20
55.90
68,3
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
8,12 - (1,7 + 0,09) x 2
6,6
4,54
9,92
0,992
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
17,5 + 2,3 x 4 - 3,5 x 5 - 9,20
8
16,2
0
0,81
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Samuel gasta semanalmente S/ 30,00 en transporte , S/ 28,70 en fotocopias y S/ 6,90 para sus golosinas. si dispone de S/ 100 semanales ¿Cuánto le queda para otros gastos?
S/ 34,40
S/ 43,40
S/ 34,04
S/ 30,46
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Se realiza una fiesta infantil de cumpleaños 20 niños y 10 adultos, por cada niño se invierte S/15,25 y por cada adulto S/10,50 , del total se hace un descuento de S/ 61,5. ¿Cuánto se pagó en total.?
S/ 318,5
S/ 328,5
S/ 348,5
S/ 338,5
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Resuelve y redondea al entero:
(6,78 - 10,03 : 2,36) x 5,5 + 4,1
17
18
16
14
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Observa los precios y resuelve.
Pamela compra 3 1/4 kg de papa, 2 L de aceite y 5 1/2 kg de azúcar. Si le descuentan en total S/ 5,85 y paga con 2 billetes de S/ 20. ¿Cuánto recibe de vuelto?
S/ 19.50
S/ 19.60
S/ 19.80
S/ 19.70
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