【篇一】
(1)146000÷125
(2)211211÷211
(3)7500÷25÷4
(4)264264÷7÷11÷13
(5)(130+65)÷13
(6)798÷125+202÷125
答案:
(1)146000÷125
=146×1000÷125
=146×8
=1168
(2)211211÷211
=211×1001÷211
=1001
(3)7500÷25÷4
=7500÷(25×4)
=7500÷100
=75
(4)264264÷7÷11÷13
=264×1001÷(7×11×13)
=264×1001÷1001
=264
(5)(130+65)÷13
=130÷13+65÷13
=10+5
=15
(6)798÷125+202÷125
=(798+202)÷125
=1000÷125
=8
【篇二】
(1)432÷(8×9)
(2)21×15÷5
(3)(54×24)÷(9×4)
(4)(2×3×5×7×11×13×17×19)÷(38×51×65×77)
(5)1÷(2÷3)÷(3÷4)÷(4÷5)÷(5÷6)
(6)(110+77+88+99)÷11
答案:
(1)432÷(8×9)
=432÷8÷9
=54÷9
=6
(2)21×15÷5
=21×3
=63
(3)(54×24)÷(9×4)
=54×24÷9÷4
=54÷9×24÷4
=6×6
=36
(4)(2×3×5×7×11×13×17×19)÷(38×51×65×77)
=(2×19÷38)×(3×17÷51)×(5×13÷65)×(7×11÷77)
=1
(5)1÷(2÷3)÷(3÷4)÷(4÷5)÷(5÷6)
=1÷2×3÷3×4÷4×5÷×6
=1÷2×6
=3
(6)(110+77+88+99)÷11
=110÷11+77÷11+88÷11+99÷11
=10+7+8+9
=34