Rezolvă, după model:
(24:6) + (30 : 6) = (24 +30) : 6 = 54 : 6 = 9
a) (25:5) + (15: 5) =
(40: 8) + (32:8) =
b) (42 : 7) + (14: 7) =
(16:4) + (24 : 4)
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Răspuns:
(25:5)+(15:5)=(25+15):5=40 :5 =8
(42:7)+(14:7)=(42+14):7=56:7=8
(40:8)+(32:8)=(40+32):8=72 :8=9
(16 :4)+(24:4)=(16+24):4=40:4 =10
Sper ca team ajutat.
Răspuns:
(25+15):5=40:5=8
(40+32):8=72:8=9
(42+14):7=56:7=8
(16+24):4=40:4=10