Question

preciso de ajuda por favor.​

Answer 1

A)2×[40÷2+(7+5×2)+10]×4=

2×[20+(7+10)+10]×4=

2×[20+17+10]×4=

2×[37+10]×4=

2×47×4=

94×4=

376

B)40+{+30×(50-2+4)-50}=

40+{+30×(48+4)-50}=

40+{+30×52-50}=

40+{1.560-50}=

40+1.510=

1.550

C)35÷5+{60÷12+(-3+4)-100}=

7+{5+1-100}=

7+{6-100}=

7+(-94)=

-87

D)150÷5×2+[4÷2+5×1]+200÷20=

30×2+[2+5]+10=

60+7+10=

67+10=

77