1.- Coloca los paréntesis para que la igualdad sea correcta.
6 × 3 + 4 = 22
b) 7 × 3 + 8 = 29
c) 4 × 3 + 9 = 48
d) 4 × 3 + 9 = 21
e) 9 × 10 + 4 = 94
6 × 3 + 4 = 22
b) 7 × 3 + 8 = 29
c) 4 × 3 + 9 = 48
d) 4 × 3 + 9 = 21
e) 9 × 10 + 4 = 94
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Verified answer
Respuesta:
Explicación paso a paso:
6 × 3 + 4 = 22 : verdadero
b) 7 × 3 + 8 = 29 : verdadero
c) 4 × 3 + 9 = 48 : falso
d) 4 × 3 + 9 = 21 : verdadero
e) 9 × 10 + 4 = 94 : verdadero
a) 8 × (75 – 50) + 42 ÷ 6 – 15 ÷ (7 – 2)
b) 120 ÷ (30 – 18) + 2 × 8 – 18 ÷ (5 – 2)
b) 120 ÷ (30 – 18) + 2 × 8 – 18 ÷ (5 – 2) : 20