小学生五年级下册数学口算题.docx

小学生五年级下册数学口算题(1)2.9×0.5=(2)5.9×0.2=(3)3.6×7=(4)4.3×0.3=(5)5.9×9=(6)9.4×9=(7)7.5×6=(8)1.3×3=(9)3.8×7=(10)4.7×5=(11)5.2×7=(12)2.3×2=(13)6.8×7=(14)6.7×0.3=(15)7.5×7=(16)7.1×0.7=(17)6.6×2=(18)3.5×0.2=(19)3.7×0.3=(20)4×0.3=(21)9.2×9=(22)6.1×9=(23)6.8×5=(24)4.8×4=(25)4.1×2=(26)6.4×0.4=(27)9.6×7=(28)1.9×0.8=(29)4.2×0.3=(30)1.9×0.8=(31)8.7×0.4=(32)2.6×7=(33)2.1×3=(34)1.6×2=(35)5.3×3=(36)8.5×9=(37)6.9×0.7=(38)6.6×0.4=(39)4.3×8=(40)8.2×3=(41)8.4×6=(42)2×6=(43)8.7×0.3=(44)3.2×0.5=(45)8.5×0.9=(46)7.1×0.7=(47)7.1×6=(48)7.4×0.5=(49)9.6×3=(50)8.4×8=(51)2.5×4=(52)1.3×3=(53)8×0.4=(54)7.8×9=(55)6×0.5=(56)7.7×8=(57)9.9×0.7=(58)5.4×2=(59)5.1×2=(60)4.7×3=(61)1.2×0.2=(62)5.3×0.2=(63)2.7×8=(64)2×9=(65)9.6×9=(66)5.4×3=(67)9.3×3=(68)5.5×0.8=(69)7.4×0.7=(70)3.4×0.6=(71)4.5×0.4=(72)3.8×7=(73)4.7×0.2=(74)1.5×6=(75)8×0.9=(76)9.2×0.6=(77)2.4×9=(78)1.8×5=(79)8.9×0.6=(80)3.2×0.8=答案(1)2.9×0.5=1.45(2)5.9×0.2=1.18(3)3.6×7=25.2(4)4.3×0.3=1.29(5)5.9×9=53.1(6)9.4×9=84.6(7)7.5×6=45(8)1.3×3=3.9(9)3.8×7=26.6(10)4.7×5=23.5(11)5.2×7=36.4(12)2.3×2=4.6(13)6.8×7=47.6(14)6.7×0.3=2.01(15)7.5×7=52.5(16)7.1×0.7=4.97(17)6.6×2=13.2(18)3.5×0.2=0.7(19)3.7×0.3=1.11(20)4×0.3=1.2(21)9.2×9=82.8(22)6.1×9=54.9(23)6.8×5=34(24)4.8×4=19.2(25)4.1×2=8.2(26)6.4×0.4=2.56(27)9.6×7=67.2(28)1.9×0.8=1.52(29)4.2×0.3=1.26(30)1.9×0.8=1.52(31)8.7×0.4=3.48(32)2.6×7=18.2(33)2.1×3=6.3(34)1.6×2=3.2(35)5.3×3=15.9(36)8.5×9=76.5(37)6.9×0.7=4.83(38)6.6×0.4=2.64(39)4.3×8=34.4(40)8.2×3=24.6(41)8.4×6=50.4(42)2×6=12(43)8.7×0.3=2.61(44)3.2×0.5=1.6(45)8.5×0.9=7.65(46)7.1×0.7=4.97(47)7.1×6=42.6(48)7.4×0.5=3.7(49)9.6×3=28.8(50)8.4×8=67.2(51)2.5×4=10(52)1.3×3=3.9(53)8×0.4=3.2(54)7.8×9=70.2(55)6×0.5=3(56)7.7×8=61.6(57)9.9×0.7=6.93(58)5.4×2=10.8(59)5.1×2=10.2(60)4.7×3=14.1(61)1.2×0.2=0.24(62)5.3×0.2=1.06(63)2.7×8=21.6(64)2×9=18(65)9.6×9=86.4(66)5.4×3=16.2(67)9.3×3=27.9(68)5.5×0.8=4.4(69)7.4×0.7=5.18(70)3.4×0.6=2.04(71)4.5×0.4=1.8(72)3.8×7=26.6(73)4.7×0.2=0.94(74)1.5×6=9(75)8×0.9=7.2(76)9.2×0.6=5.52(77)2.4×9=21.6(78)1.8×5=9(79)8.9×0.6=5.34(80)3.2×0.8=2.56小学