1) -1,843 +2,74 -3,79 = 2,74 -5,633 = -2,893
2) 4·3 1/5 ÷ 2 2/15 = 4×16/5 ÷ 32/15 = 64/5 ÷ 32/15 = 64/5 × 15/32 = 2/5 × 15/1 = 2/1 × 3/1 = 2×3 = 6
1) -1,843 +2,74 -3,79 = 2,74 -5,633 = -2,893
2) 4·3 1/5 ÷ 2 2/15 = 4×16/5 ÷ 32/15 = 64/5 ÷ 32/15 = 64/5 × 15/32 = 2/5 × 15/1 = 2/1 × 3/1 = 2×3 = 6