结果请用最简分数表示
1111214173+=-=-=-=-23245577881252131211+=-=+=-=+510563384335591421111-=-=-=+=-12121010556328331143755+=-=+=1 -=+====88257781 - 512 =35 + 12 =910 - 310 =557 - 7 =16 + 712 =14 + 34 =31917 + 2 =10 - 2 =5819 +9 =8 +78 =1924 -1324 =19336 +36 =118 -18 =14 -19 =1213 - 313 =34 +14 +14 ==+=-=+=-=+=-=二、(10) 910 + 320 - 315(11)1- 712 +34(12)(16)1
875+23(17)(19)
66358 + 8 =910 - 35 =347 +7 =78 -38 +38710 -( 337 -10 )-31275318 -188 +15 + 86 + 4 - 311- 7310 - 10712 - ( 34 - 12 )12 -(34 -38 )56 -(13 + 310 )(1)3x-1516 =16(2)7
5-x=24(5)3x-445 =2-125(9)5 +X=3
1112 - ( 16 + 18 )12 -(34 -38 )2513 +6 - 6(3)413 +x=5 4)314 -x=138
35411312 -x= x- =+X= X-=54685348(1)71931(3)0
6 与的差比 1
(4)减去与的和,差是多少
151218244223(5)(6)减去的差,加上与的差,和是多少
72137(7)1111221减去与的和,差是多少
(8)减去,再减去,结果是多少
3563412111151(9)一