题目
计算
36+29=
26-7= 32-6= 5+69= 7+67=
20+30+20= 50-20-10=
61-(47-7)=
29-29+51= 15+85-96=
65-(45-40)=
33+20-40=
78 +(82-80)=
78 + 2 - 60 =
答案:36+29=65 26-7=19 32-6=26 5+69=74 7+67=7420+30+20=70 50-20-10=20 61-(47-7)=2129-29+51=51 15+85-96=4 65-(45-40)=6033+20-40=13 78 +(82-80)=80 78 + 2 - 60 =20