(1) 7.14－0.53－2.47
(12) 1.25×2×0.37×4
(2) 5.4×0.75÷1.5 (13) 3.82＋2.9＋0.18＋9.1
(3) 2.5×（6.2－2.6）×0.4 (14) 0.25×36
(4) 73.8－1.64－13.8－5.36 (15) 47.8－7.45－8.8
(5) 7.09×10.8－0.8×7.09 (16) 3.78×99+3.78
(6) （2.5－0.25）×0.4 (17) 320÷1.25÷8
(7) 66.86－8.66－1.34 (18) 12.25－3.1＋0.85－6.17
(8) 3.52÷2.5÷0.4 (19) 0.32×12.5×2.5
(9) 450÷2.5÷2 (20) 4.8×7.8＋78×0.52
(10) （4.16+4.16+4.16+4.16）×2.5 (21) 1.39×25－0.039×250
(11) 35.6－1.8－15.6－7.2 (22) (45.9－32.7)÷8÷0.125
第 1 页 共 11 页
(23) 2.65×1.7＋1.35×1.7 (24) 26.7－0.5×5－7.5 (25) 72÷1.25÷8 (26) 4.8－4.8×0.5 (27) 15.75+3.59－0.59+14.25 (28) 25.5÷［（10－8.98）×2.5］(29) 25×4.4 (30) 17.8÷(1.78×4) (31) 4.8×7.8＋78×0.52 (32) 2.2÷4＋0.6÷4 (33) 9.7×99＋9.7 (34) 3.9－4.1＋6.1－5.9
(35) 3.2×0.25×12.5
(36) 3.9×2.7＋3.9×7.3
(37) 5.48－(4.4－0.52)
(38) 0.99×0.81+0.99×0.19+0.99(39) 48.4＋2.78＋51.6－0.48
(40) 52.8÷0.75×0.25
(41) 13.75－(3.75＋6.48)
(42) 3.4×0.46+3.4×0.54
(43) 5.6×1.25
(44) 7.3＋2.7－7.3＋2.7
第 2 页 共 11 页
(45) 3.68＋7.56－2.68 (46) 7.12×4－1.12×4 (47) 15.6×13.1－15.6－15.6×2.1 (48) （2.31+6.69）÷0.03 (49) 4.02＋5.4＋0.98 (50) （7.7＋15.4）÷7 (51) 4.7×8.3＋5.2×8.3＋0.83 (52) 3.72×9.9+3.72×0.1 (53) 2.3÷0.25÷0.4 (54) 6.4×0.25＋3.6÷4 (55) 3.65×4.7－36.5×0.37 (56) 7.6×0.8＋0.2×7.6
(57) 15.2÷0.25÷4
(58) (1.25－0.125)×8
(59) 6.3+4.82+3.7－0.82
(60) 1.5×1.2＋8.8×1.5
(61) 3.14×0.68＋31.4×0.032
(62) 12.6－（2.89+7.11）×1.01(63) 0.398+0.36+3.64
(64) 13.35－4.68＋2.65
(65) 4.83÷5＋2.17÷5
(66) 5.4×0.75÷1.8
第 3 页 共 11 页
(67) 3.5×0.4＋3.5×0.6 (68) 10.6×0.35－9.6×0.35 (69) 4.2×99＋4.2 (70) 2.5×0.32×1.25 (71) 2.3×16+2.3×23+2.3 (72) 7.85＋2.34－0.85＋4.66 (73) 9.6÷0.8÷0.4 (74) 5.17－1.8－3.2 (75) 1.25×8－0.025×80 (76) 8.54÷2.5÷0.4 (77) 8.54÷2.5÷0.4 (78) 5.27＋2.86－0.66＋1.63
(79) 132－43.7－56.3
(80) 16.68÷4.6＋6.32÷4.6
(81) 39÷（1.3×5）
(82) 48.4＋2.78＋51.6－0.48
(83) 4.78÷0.2＋3.44
(84) 7.6×27＋7.6×174－7.6
(85) 3.6－3.6×0.8
(86) 3.72×3.5＋6.28×3.5
(87) 2.6×9.9
(88) 27.5×3.7－7.5×3.7
第 4 页 共 11 页
(89) 5.83×2＋4.27 (95) 2.6×0.5+7.4÷2
(90) 4.36×12.5×8 (96) 9.6＋4.8－3.6
(91) 1.25×2.5×32 (97) 8.8×1.25
(92) 56.5×9.9＋5.65 (98) 65÷（0.65×4）
(93) 101×0.87－0.91×87 (99) 36.8－3.9－6.1
(94) （1.9－1.9×0.9）÷（3.8－2.8） (100) 18.76×9.9＋1.876
第 5 页 共 11 页
五年级简便运算100题详解
(1) 7.14－0.53－2.47
=7.14－3 =4.14 (2) 5.4×0.75÷1.5
=2.7×2×0.75÷1.5 =2.7×1.5÷1.5 =2.7
(3) 2.5×（6.2－2.6）×0.4
=1×3.6 =3.6
(4) 73.8－1.64－13.8－5.36
=73.8－13.8－(1.64+5.36)=60－7 =53
(5) 7.09×10.8－0.8×7.09
=7.09×(10.8－0.8) =70.9
(6) （2.5－0.25）×0.4
=2.5×0.4－0.25×0.4 =1－0.1 =0.9
(7) 66.86－8.66－1.34
=66.86－10 =56.86 (8) 3.52÷2.5÷0.4
=3.52÷1 =3.52 (9) 450÷2.5÷2
=450÷5 =90
(10) （4.16+4.16+4.16+4.16）×2.5
=4.16×4×2.5 =4.16×10 =41.6
(11) 35.6－1.8－15.6－7.2
=20－9 =11
(12) 1.25×2×0.37×4
=1.25×8×0.37 =10×0.37 =3.7
(13) 3.82＋2.9＋0.18＋9.1
=4+12 =16 (14) 0.25×36
=0.25×4×9 =9
(15) 47.8－7.45－8.8
=39－7.45 =31.55 (16) 3.78×99+3.78
=3.78×100 =378 (17) 320÷1.25÷8
=320÷(1.25×8) =320÷10
第 6 页 共 11 页
=32
(18) 12.25－3.1＋0.85－6.17
=13.1－3.1－6.17 =10－6.17 =3.83 (19) 0.32×12.5×2.5
=0.4×2.5×0.8×12.5 =1×10 =10
(20) 4.8×7.8＋78×0.52
=7.8×(4.8+5.2) =78
(21) 1.39×25－0.039×250
=25×(1.39－0.39) =25
(22) (45.9－32.7)÷8÷0.125
=13.2÷1 =13.2
(23) 2.65×1.7＋1.35×1.7
=1.7×4 =6.8
(24) 26.7－0.5×5－7.5
=26.7－10 =16.7 (25) 72÷1.25÷8
=72÷10 =7.2 (26) 4.8－4.8×0.5
=4.8×0.5 =2.4
(1.25－0.125)×8 =1.25×8－0.125×8 =10－1 =9
(27) 15.75+3.59－0.59+14.25
=30+3 =33
(28) 25.5÷［（10－8.98）×2.5］=25.5÷(1.02×2.5) =25.5×4÷(1.02×2.5×4) =102÷10.2 =10 (29) 25×4.4
=25×4×1.1 =110 (30) 17.8÷(1.78×4)
=17.8÷1.78÷4 =10÷4 =2.5
(31) 4.8×7.8＋78×0.52
=7.8×(4.8+5.2) =78
(32) 2.2÷4＋0.6÷4
=2.8÷4 =0.7 (33) 9.7×99＋9.7
=9.7×100 =970
(34) 3.9－4.1＋6.1－5.9
第 7 页 共 11 页
=10－10 =0
(35) 3.2×0.25×12.5
=4×0.25×8×12.5 =1×10 =10
(36) 3.9×2.7＋3.9×7.3
=3.9×10 =39
(37) 5.48－(4.4－0.52)
=5.48+0.52－4.4 =6－4.4 =1.6
(38) 0.99×0.81+0.99×0.19+0.99=0.99×(0.81+0.19+1) =0.99×2 =1.98
(39) 48.4＋2.78＋51.6－0.48
=100+2.3 =102.3 (40) 52.8÷0.75×0.25
=52.8÷0.75÷4 =52.8÷3 =17.6
(41) 13.75－(3.75＋6.48)
=10－6.48 =3.52
(42) 3.4×0.46+3.4×0.54
=3.4×1 =3.4
(43) 5.6×1.25
=0.7×8×1.25 =0.7×10 =7
(44) 7.3＋2.7－7.3＋2.7
=2.7+2.7 =5.4
(45) 3.68＋7.56－2.68
=7.56+1 =8.56
(46) 7.12×4－1.12×4
=4×(7.12－1.12) =4×6 =24
(47) 15.6×13.1－15.6－15.6×2.1=15.6×(13.1－1－2.1) =156
(48) （2.31+6.69）÷0.03
=9÷0.03 =900÷3 =300
(49) 4.02＋5.4＋0.98
=5+5.4 =10.4
(50) （7.7＋15.4）÷7
=7.7÷7+15.4÷7 =1.1+2.2 =3.3
(51) 4.7×8.3＋5.2×8.3＋0.83
第 8 页 共 11 页
=8.3×(4.7+5.2+0.1) =8.3×10 =83
(52) 3.72×9.9+3.72×0.1
=3.72×10 =37.2 (53) 2.3÷0.25÷0.4
=2.3÷0.1 =23
(54) 6.4×0.25＋3.6÷4
=(6.4+3.6)×0.25 =2.5
(55) 3.65×4.7－36.5×0.37=3.65×(4.7－3.7) =3.65
(56) 7.6×0.8＋0.2×7.6
=7.6×1 =7.6 (57) 15.2÷0.25÷4
=15.2÷1 =15.2
(58) (1.25－0.125)×8 (59) =1.25×8－0.125×8
=10－1 =9
(60) 6.3+4.82+3.7－0.82
=10+4 =14
(61) 1.5×1.2＋8.8×1.5
=1.5×10 =15
(62) 3.14×0.68＋31.4×0.032
=3.14×(0.68+0.32) =3.14
(63) 12.6－（2.89+7.11）×1.01
=12.6－10×1.01 =12.6－10.1 =2.5
(64) 0.398+0.36+3.64
=0.398+4 =4.398
(65) 13.35－4.68＋2.65
=16－4.68 =11.32 (66) 4.83÷5＋2.17÷5
=7÷5 =1.4 (67) 5.4×0.75÷1.8
=(5.4÷1.8)×0.75 =3×0.75 =2。25
(68) 3.5×0.4＋3.5×0.6
=3.5×1 =3.5
(69) 10.6×0.35－9.6×0.35
=1×0.35 =0.35 (70) 4.2×99＋4.2
第 9 页 共 11 页
=4.2×100 =420 (71) 2.5×0.32×1.25
=2.5×0.4×0.8×1.25 =1×1 =1
(72) 2.3×16+2.3×23+2.3
=2.3×(16+23+1) =2.3×40 =92
(73) 7.85＋2.34－0.85＋4.66
=7+7 =14 (74) 9.6÷0.8÷0.4
=9.6÷0.32 =30
(75) 5.17－1.8－3.2
=5.17－5 =0.17
(76) 1.25×8－0.025×80
=8×(1.25－0.25) =8
(77) 8.54÷2.5÷0.4
=8.54÷1 =8.54
(78) 5.27＋2.86－0.66＋1.63
=5.27+1.63+(2.86－0.66)=6.9+2.2 =9.1
(79) 132－43.7－56.3
=132－100 =32
(80) 16.68÷4.6＋6.32÷4.6
=(16.68+6.32)÷4.6 =23÷4.6 =5
(81) 39÷（1.3×5）
=78÷13 =6
(82) 48.4＋2.78＋51.6－0.48=100+2.3 =102.3 (83) 4.78÷0.2＋3.44
=4.78×5+3.44 =23.9+3.44 =27.34
(84) 7.6×27＋7.6×174－7.6
=7.6×(27+174－1) =7.6×200 =1520 (85) 3.6－3.6×0.8
=3.6×0.2 =0.72
(86) 3.72×3.5＋6.28×3.5
=3.5×10 =35 (87) 2.6×9.9
=2.6×10－2.6×0.1
第 10 页 共 11 页
=26－0.26 =25.74
(88) 27.5×3.7－7.5×3.7
=3.7×20 =74
(89) 5.83×2＋4.27
=5.83×2+10－5.83 =10+5.83 =15.83 (90) 4.36×12.5×8
=4.36×100 =436 (91) 1.25×2.5×32
=1.25×8×2.5×4 =10×10 =100
(92) 56.5×9.9＋5.65
=56.5×(9.9+0.1) =565
(93) 101×0.87－0.91×87
=0.87×(101－91) =8.7
(94) （1.9－1.9×0.9）÷（3.8－2.8）
=1.9×0.1÷1 =0.19 (95) 2.6×0.5+7.4÷2
=(2.6+7.4)÷2 =5
(96) 9.6＋4.8－3.6
=6+4.8 =10.8 (97) 8.8×1.25
=8×1.25×1.1 =10×1.1 =11
(98) 65÷（0.65×4）
=65÷0.65÷4 =100÷4 =25
(99) 36.8－3.9－6.1
=36.8－10 =26.8
(100) 18.76×9.9＋1.876
=18.76×(9.9+0.1) =187.6
第 11 页 共 11 页
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