14.简便计算.
125×48 | 136×101-136 | 32×37+68×37 |
540÷36 | 16-7.4-6.6 | 26.1-5.06-4.94+0.9 |
11.简便计算.
0 153947 153955 153961 153965 153971 153973 153977 153983 153985 153991 153997 154001 154003 154007 154013 154015 154021 154025 154027 154031 154033 154037 154039 154041 154042 154043 154045 154046 154047 154049 154051 154055 154057 154061 154063 154067 154073 154075 154081 154085 154087 154091 154097 154103 154105 154111 154115 154117 154123 154127 154133 154141 199269
(8+40)×25 | 125×15×8 | 136×101-136 |
5.26+3.1+1.74 | 42.56-0.57-4.43 | 8.43+2.87+0.57+,0.13 |