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一、脱式结算
(1)13×3+20= (2)45÷9+37= (3)100-9×3= (4)80+5×4=
(5)30-36÷4= (6)42÷(18÷3)= (7)84-(45+5)= (8)6×(35÷5)=
(9)63-40+25= (10)35+4×8= (11)27+81÷9= (12)3×7+50=
(13)6×8-24= (14)36÷6×4= (15)49÷7+63= (16)(24+6)÷5=
(17)9×8+12= (18)20+24×2= (19)72÷8+30= (20)59-4×7=
(21)56-8×3= (22)21+6×3= (23)15-40÷5= (24)58+34-45=
(25)32+6×4= (26)90-64÷8= (27)30-5×4= (28)6×4-20=
(29)14-6×2= (30)8+5×3= (31)(90-60)÷6= (32)36÷(3×3)=
(33)8×(7-4)= (34)16÷8×7= (35)80-5×8= (36)9×3+20=
(37)(48-39)×8= (38)9×7+24= (39)48+81÷9= (40)18÷2+37=
(41)94-7×9= (42)87-63+20= (43)12+4×3= (44)81÷9÷3=
(45)9×3+4= (46)24÷6×2= (47)3×9-20= (48)50-4×5=
(49)17+6×2= (50)45÷9+15= (51)81-81÷9= (52)49÷7+70=
(53)42+47-85= (54)67-(17+30)= (55)8×7-43= (56)(72-30)÷7=
(57)64-2×8= (58)38-18÷2= (59)44+6×3= (60)64-15+28=
(61)72÷(43-34)= (62)12-6×2= (63)7+5×6= (64)100-5×9=
(65)75+15+36= (66)60-40÷8= (67)50-(30+12)= (68)72÷9×9=
(69)(21-18)×8= (70)45÷(3×3) = (71)8+8×9= (72)56÷(50-42)=
(73)5×8-24= (74)18+12÷4=(75)42÷6×9= (76)7×(5+2)=
(77)6×(49-40)= (78)7×2+4= (79)8+16÷4= (80) (37–28)×4=
(81) 8×6–30= (82) 42–30÷6= (83) 5×(28÷4) = (84) 35÷(28–21) =
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