二年级上册册数学混合运算的习题(2)
51.1/2×2/5+9/10÷9/20
52.50+160÷40 (58+370)÷(64-45)
53.120-144÷18+35
54.347+45×2-4160÷52
55.(58+37)÷(64-9×5)
56.95÷(64-45)
57.178-145÷5×6+42 420+580-64×21÷28
58.812-700÷(9+31×11) (136+64)×(65-345÷23)
59.85+14×(14+208÷26)
60.(284+16)×(512-8208÷18)
61.120-36×4÷18+35
62.(58+37)÷(64-9×5)
63.(6.8-6.8×0.55)÷8.5
64.0.12× 4.8÷0.12×4.8
65.(3.2×1.5+2.5)÷1.6 (2)3.2×(1.5+2.5)÷1.6
66.6-1.6÷4= 5.38+7.85-5.37=
67.7.2÷0.8-1.2×5= 6-1.19×3-0.43=
68.6.5×(4.8-1.2×4)= 0.68×1.9+0.32×1.9
69.10.15-10.75×0.4-5.7
70.5.8×(3.87-0.13)+4.2×3.74
71.32.52-(6+9.728÷3.2)×2.5
72.[(7.1-5.6)×0.9-1.15] ÷2.5
73.5.4÷[2.6×(3.7-2.9)+0.62]
74.12×6÷(12-7.2)-6 (4)12×6÷7.2-6
75.65*3-21/7*5*9
76.45*2/3-55
77.(47+78)*2/5
78.85-6/2*9
79.128*5/2/20+50+60-12-36
80.72*3+6-9*7
81.7*6-5+33
82.85/5+45/15*2
83.7-3+6*95
84.1317-469*2
85.(741-596+3)*97
86.5*9-13+7
87.22*8+65-15
88.56/7/8*774+5-35
89.945+741-953
90.(37+42+1)*5
91.(19-17)*16
92.78+56*8/4
93.555+9*471/3
94.(36+47)/47*85
95.(65+26)*3+9
96.250-112*2
97.3793-56*44
98.426+3*105
99.154*9-65+7
100.1744*3+552/3