计算下面各题,能简算的要简算.
75+360÷20+48 125×39×8×2 37×28+28×63
9.26﹣1.36﹣0.26﹣3.64 58×99+58 5.76﹣(3.76+1.8)
口算题.= 6
=
×
×7= 120×5%=
口算.
21%+5%÷4 8π
+
125×8
×
+
﹣
÷
8÷64
×
7π
+
×
13÷26
﹣
67%﹣24% 99×5
×
×
÷
100÷25
×
×
×
÷
667+34
÷
÷
1263﹣163
÷
×
÷
÷
98%﹣55%
÷
×
15.7÷3.14
﹣
×
÷
÷
+
÷
×
÷
×
6.28÷π 0×
21÷5
×
÷
39×
3π 66×10
0÷875 1﹣﹣
(
﹣
)×12
×
+
×
3﹣
﹣
直接写出得数.﹣
=
÷
= 2﹣
= 6÷1%=
1﹣7÷9=÷
= 24×0.5= 1÷
=
(+
)×0= 2
×17=
直接写出得数÷
=
÷3= 6×
=
﹣
=
7÷=
+
=
×7=
÷
=
口算.÷2=
﹣
=
÷
= 20%+3=
20÷20%= 2×4÷2×4= 12×0×60%= 289÷57≈