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(1)25×4 = (2)30 + 700 =
(3)73-30 = (4)1400+1400=
(5)48÷ 4= (6)33+( )=100
(7)40÷ ( ) =20 (8)3×( )=3000
(9)60÷6 = (10)2×20+2=
(11)80×2×0= (12)52 ÷ 4 =
(13)30×3+ 4= (14)80÷5÷4 =
(15)68-19= (16)179 -79 =
(17)72 ÷9= (18)98+17-36=
(19)30+15+30+15= (20)84-17-43=
(21)100×3×3= (22)20×4 ÷4=
(23)11×2×5= (24)6×8=
(25)46÷2 = (26)700+ 500 =
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