100以内两位数加减法填括号（2023-07-14）

100以内两位数加减法填括号（2023-07-14）：17+( )=59 15+( )=37 ( )+32=74 ( )-22=70 37+( )=61 86-( )=72 52-( )=24 21+( )=91 ( )+34=48 36-( )=21 ( )-24=39 ( )-14=74 ( )+61=82 73-( )=13 32+( )=58 57-( )=41 ( )+20=68 91-( )=39 27-( )=9 ( )-25=59 21+( )=32 ( )+28=82 ( )+51=97 ( )+49=73 55-( )=10 15+( )=50 95-( )=56 25+( )=72 50+( )=87 72+( )=90 ( )+20=62 68-( )=39 ( )+66=92 18+( )=41 ( )+46=57 38+( )=70 63-( )=41 22+( )=34 (...