口算.
|
(1)720 ÷9= |
(2)125 ×8÷1000= |
|
(3)120 ÷10÷100= |
(4)8.03 ÷100= |
口算.
|
(1)13.6 ×10= |
(2)0.8 ÷100= |
|
(3)125 ×16= |
(4)113 ×100= |
口算.
|
(1)81.5÷10 = |
(2)600÷1000 = |
|
(3)2.83÷100×1000 = |
(4)47.66×10÷100 = |
口算.
|
(1)3.5×100 = |
(2)2.07÷10 = |
|
(3)21.4 ÷1000= |
(4)4.026×1000 = |
直接写出得数.
|
(1)9 ×125×8= |
(2)40 ×47×5= |
|
(3)24 +24+24= |
(4)213 -56-13= |
直接写出得数.
|
(1)550 ÷5= |
(2)14 ×60= |
|
(3)4200 ÷600= |
(4)403 +99= |
口算.
|
(1)660 +120-60= |
(2)400 +540÷60= |
|
(3)35 ×(72-70)= |
(4)(324 -24)÷50= |
口算.
|
(1)36 +28= |
(2)750 ÷5= |
|
(3)320 -160= |
(4)63 -24= |