4.83×0.59+0.41×1.59-0.324×5.9
(346-10)÷16-12
下面各题怎样简便就怎样算。
(1)32.7×1.4-1.4×2.7 (2)7.5+2.5×0.36
直接写出得数。
4.8+2.25=
21.7÷7=
0.77×99+0.77=
4-0.8÷4-0.8
19.98×37-199.8×1.9+1998×0.82
3.5×(20.6-16.8÷4.8)
16.2÷(3.2×0.25+4.6)
18.5-(5.2+3.3)÷1.7
(2.5×8)÷(0.1-0.09)