答案
(1)19×(23-17)=114
(2)873-25×8=673
(3)56×7-(161+125)=106
(4)75÷3+142×5=735
(5)47+19×3=104
(6)125×4-352=148
(7)5×38-38=152
(8)55+8-96÷6=47
(9)5×38+38=228
(10)39÷3=13
(11)57÷3=19
(12)(324-189)×2=270
(13)17×3-(19+21)=11
(14)(51+18)×(29-24)=345
(15)99×9=891
(16)(26+86)÷2 =56
(17)1020-9×113=3
(18)6×12×6=432
(19)4×13=52
(20)15-5×3=0
(21)9×9+5=86 (22)7×35+6=251
(23)321÷3=107
(24)(16+24)÷8=5
(25)400-(170+80)=150
(26)64×14-522=374
(27)(748+116)÷8=108
(28)25x(225÷5)=1125
(29)5172-6×752=660
(30)(25+47)×98=7056
(31)(175+49)÷4=56
(32)195÷(32-27)=190