Контрольная работа 10. Вычисли: 40 − 28; 10 + 3; 20 + 48; 28 + 18; 31 − 17; 42 + 31; 13 − 7; 14 + 24; 34 + 2; 29 + 36; 16 + 64; 17 + 56; 14 + 38; 25 + 51; 12 + 72; 18 − 3; 35 + 59. 28 + 12; 29 + 35; 44 + 17; 32 − 16; 18 − 17; 43 − 6; 13 − 6; 18 + 54; 40 − 14; 9 + 58; 3 + 22; 45 + 38; 35 + 20; 9 + 56; 10 + 65; 29 − 5; 13 + 28. 2 + 33; 25 − 3; 35 + 5; 16 − 10; 6 + 55; 41 − 16; 42 + 13; 41 − 9; 31 + 5; 37 − 30; 19 + 22; 44 − 19; 27 + 15; 42 + 46; 44 + 11; 10 + 40; 26 + 38. 8 + 46; 17 + 63; 39 + 39; 2 + 47; 7 + 92; 40 − 18; 10 + 32; 38 − 9; 21 + 21; 35 + 31; 41 − 29; 25 + 44; 3 + 31; 43 + 45; 33 + 57; 24 − 10; 30 + 27.

Столбец 1: 40 − 28 = 12; 10 + 3 = 13; 20 + 48 = 68; 28 + 18 = 46; 31 − 17 = 14; 42 + 31 = 73; 13 − 7 = 6; 14 + 24 = 38; 34 + 2 = 36; 29 + 36 = 65; 16 + 64 = 80; 17 + 56 = 73; 14 + 38 = 52; 25 + 51 = 76; 12 + 72 = 84; 18 − 3 = 15; 35 + 59 = 94.

Столбец 2: 28 + 12 = 40; 29 + 35 = 64; 44 + 17 = 61; 32 − 16 = 16; 18 − 17 = 1; 43 − 6 = 37; 13 − 6 = 7; 18 + 54 = 72; 40 − 14 = 26; 9 + 58 = 67; 3 + 22 = 25; 45 + 38 = 83; 35 + 20 = 55; 9 + 56 = 65; 10 + 65 = 75; 29 − 5 = 24; 13 + 28 = 41.

Столбец 3: 2 + 33 = 35; 25 − 3 = 22; 35 + 5 = 40; 16 − 10 = 6; 6 + 55 = 61; 41 − 16 = 25; 42 + 13 = 55; 41 − 9 = 32; 31 + 5 = 36; 37 − 30 = 7; 19 + 22 = 41; 44 − 19 = 25; 27 + 15 = 42; 42 + 46 = 88; 44 + 11 = 55; 10 + 40 = 50; 26 + 38 = 64.

Столбец 4: 8 + 46 = 54; 17 + 63 = 80; 39 + 39 = 78; 2 + 47 = 49; 7 + 92 = 99; 40 − 18 = 22; 10 + 32 = 42; 38 − 9 = 29; 21 + 21 = 42; 35 + 31 = 66; 41 − 29 = 12; 25 + 44 = 69; 3 + 31 = 34; 43 + 45 = 88; 33 + 57 = 90; 24 − 10 = 14; 30 + 27 = 57.