959:780-8070= 959 - 8070 = -7111(28 514-27 680):6= 834 ÷ 6 = 13980990-9704:4= 72,810 - 2426 = 70,384(47 592 + 39 908):100:5= 87,500 ÷ 100 ÷ 5 = 17510 457 6 + 7644:6= 62,742 + 1274 = 63,0161968:(40 000-4444*9)= 1,568 ÷ (40,000 - 39,996) = 1,568 ÷ 4 = 392
959:780-8070= 959 - 8070 = -7111
(28 514-27 680):6= 834 ÷ 6 = 139
80990-9704:4= 72,810 - 2426 = 70,384
(47 592 + 39 908):100:5= 87,500 ÷ 100 ÷ 5 = 175
10 457 6 + 7644:6= 62,742 + 1274 = 63,016
1968:(40 000-4444*9)= 1,568 ÷ (40,000 - 39,996) = 1,568 ÷ 4 = 392