(13×2)−(12×1.5)= (13\times2)-(12\times1.5)= (13×2)−(12×1.5)=
12 12 12
8 8 8
12+6−4+18−12= 12+6-4+18-12= 12+6−4+18−12=
22 22 22
20 20 20
14−5−9+7+2= 14-5-9+7+2= 14−5−9+7+2=
9 9 9
11 11 11
21−3−6+9−5= 21-3-6+9-5= 21−3−6+9−5=
16 16 16
25+6−19+7= 25+6-19+7= 25+6−19+7=
19 19 19
18 18 18
De acuerdo con el orden de las operaciones aritméticas, primero resolvemos los ejercicios de multiplicación entre paréntesis:
(13×2)=26 (13\times2)=26 (13×2)=26
(12×1.5)=18 (12\times1.5)=18 (12×1.5)=18
Ahora restamos:
26−18=8 26-18=8 26−18=8
25−6−9+7−3= 25-6-9+7-3= 25−6−9+7−3=
14 14 14
26−6+9+7−12= 26-6+9+7-12= 26−6+9+7−12=
24 24 24
30+6−5+7−17= 30+6-5+7-17= 30+6−5+7−17=
23 23 23
21 21 21
32−4−19+3−7= 32-4-19+3-7= 32−4−19+3−7=
4 4 4
5 5 5
(12−6+9)×(7+3)= (12-6+9)\times(7+3)= (12−6+9)×(7+3)=
160 160 160
150 150 150
(15−9)×(7−3)= (15-9)\times(7-3)= (15−9)×(7−3)=
30 30 30
(16−6)×9+(7−3)= (16-6)\times9+(7-3)= (16−6)×9+(7−3)=
91 91 91
94 94 94
25−5−3−17+13= 25-5-3-17+13= 25−5−3−17+13=
13 13 13
25×6−9−41= 25\times6-9-41= 25×6−9−41=
99 99 99
100 100 100
25−3×4+4×2= 25-3\times4+4\times2= 25−3×4+4×2=