Question

a)27+{14+3×[100:(18-4×2)+7]}:13=
b){100-413×0+35}:5=
c)4×(10+20+15+30)=​

Answer 1

a)27+{14+3×[100:(18-4×2)+7]}:13=

27+{14+3×[100:(18-8)+7]}:13=

27+{14+3×[100:10+7]}:13=

27+{14+3×[10+7]}:13=

27+{14+3×17}:13=

27+{14+51}:13=

27+65:13=

27+5=32

b)(100-413×0+35):5=

(100-0+35):5=

135:5=27

c)4×(10+20+15+30)=

4×75=300