Решение:
5 6 - 2 2 = 5 - 2 + 6 - 2 = 3 + 6 - 2 = 3 + 6·3 - 2·13 = 3 + 18 - 26 = 3 + 18 - 26 =
13 3 13 3 13 3 13·3 3·13 39 39 39
= 3 + -8 = 3·39 - 8 = 3·39 - 8 = 117 - 8 = 109 = 31 + 2·39 = 2 31
39 39 39 39 39 39 39 39 39
1.)6×5-16/2×3+49=30-24+49=6+49=55.
2) 32/8×4+48/6/2×5=16+20=36.
3) 4×3+24/3+18/2×9=12+8+81=20+81=101.
4) 6×8+23-24÷4=48+23-6=65.
5) 48/6×4+6×9-26=32+54-26=60.
6) 35/7×5+4×7-19= 25+28-19=32
16/75:4/15=16/75*15/4=4/5*1/1=4/5-длина
(4/15+4/5)*2=(4/15+12/15)*2=16/15*2=32/15=2 2/15 м-периметр