Question

j) 73 x (108:9-90:9) + 405:9;
k) (300 x 10:4+28 x 25:7).: 10;
144 - (24:8 +24x3): 5 + 1. Poți sa ma ajuți? ​

Answer 1

Răspuns:

j) 73 x (108:9-90:9) + 405:9=

73x(12-10)+45=

73x2+45=

146+45=191

k) (300 x 10:4+28 x 25:7): 10

(3000:4+700:7):10=

(750+100):10=

850:10=85

144 - (24:8 +24x3): 5 + 1=

144-(3+72):5+1=

144-75:5+1=

144-15+1=

129+1=130