1)4,3086 2)1,572 3)44,092
1)13,01-10,297+4,001-2,4054= - 13,010 + 2,713 - 6,7140 10,297 4,001 2,4054 ----------- -------- ----------- 2,713 6,714 4,3086
2)(9,3-7,002)-(7,7-6,814-0,16)=1,572 9,300 7,7 2,298 - - - 7,002 6,814 0,726 -------- - --------- 2,298 0,16 1,572 --------- 0,726