括号里可以填写最大的数是多少(100道题/10分钟) 学号:_______ 姓名:___________
(       )+2<20(       )+2<14(       )+5<17(       )+1<21
(       )+11<15(       )+4<20(       )-2<13(       )-2<2
(       )+4<17(       )-2<4(       )-6<12(       )+1<20
(       )+3<19(       )-6<4(       )-2<7(       )-2<11
(       )+2<10(       )+2<9(       )+2<18(       )-2<3
(       )-3<11(       )+3<18(       )+1<19(       )-5<14
(       )+6<11(       )+4<19(       )-7<13(       )+10<17
(       )-1<3(       )-5<13(       )-2<12(       )+5<14
(       )-4<7(       )+9<16(       )+13<19(       )-4<2
(       )+5<16(       )-5<2(       )+3<10(       )+5<19
(       )+9<18(       )-5<3(       )-8<11(       )+1<16
(       )-1<11(       )+6<16(       )+5<11(       )+4<12
(       )+2<16(       )+7<18(       )-4<4(       )+10<18
(       )+3<17(       )+2<15(       )-3<15(       )-5<12
(       )+3<16(       )-4<11(       )-2<17(       )-1<6
(       )+3<12(       )-7<11(       )-2<16(       )-9<11
(       )+5<15(       )+5<12(       )-3<5(       )-2<9
(       )-7<2(       )+12<20(       )-1<5(       )+4<16
(       )-8<2(       )-2<5(       )+11<16(       )+2<13
(       )+3<11(       )-7<3(       )+3<20(       )+7<20
(       )-4<3(       )+2<8(       )+3<13(       )-1<12
(       )+7<19(       )-3<14(       )-5<11(       )+3<8
(       )+13<16(       )+2<6(       )-2<18(       )+6<18
(       )-3<7(       )+5<13(       )-3<6(       )-4<15
(       )+7<11(       )-6<13(       )+12<18(       )+6<12