А) 65 + (53 - 21) = 65 + 32 = 97
Б) (500 + 100) - 200 = 600 - 200 = 400
В) (65 - 21) + (24 + 2) = 44 + 26 = 70
Г) 1000 - (600 - 100) = 1000 - 500 = 500
Д) (16 + 12) + 40 = 28 + 40 = 68
Б) (500+100)-200=600-200=400
В) (65-21)+(24+2)=44+26=70
Г) 1000-(600-100)=1000-500=500
Д) (16+12)+40=28+40=68
А) 65 + (53 - 21) = 65 + 32 = 97
Б) (500 + 100) - 200 = 600 - 200 = 400
В) (65 - 21) + (24 + 2) = 44 + 26 = 70
Г) 1000 - (600 - 100) = 1000 - 500 = 500
Д) (16 + 12) + 40 = 28 + 40 = 68