Page 23, 24 and 25 of the first volume of the sixth grade: answers to supplementary exercises in primary school mathematics (Jiangsu Education Edition)

P231.13 * 2.7 *1.3 equals 45.63 13*2.7* 1 equals 35. 1.

2.20*0.2*3*520 equals 6240.

3.9*5*4.5 equals 202.5 202.5 cubic decimeter equals 202.5l202.5 * 0.85 =172.125 kg.

4. solution: let the water in the glass jar drop by x cm.

25 times 12X=9 cubic result: 2.43 cm.

P24 1。 300 3000 1040 104 2.7 27 0.72 8 10 600 4200 8.25

3.10cm equals 0. 1 m 80*50*0. 1 equals 400 cubic meters.

4.2* 1.5* 1.2 equals 3.6 3.6 divided by 80 equals 0.045 m? 0.045 cubic meters equals 45 cubic decimeters ~ ~ ~

P25 1。 (1) 5 times 6 squared equals 150 (2) 5 cubic equals 125.

2.( 1)(8*7+6*7)*2+8*6 equals 244.

(2)70*50*65 equals 227500ml 227500ml=227.5L

The cube of 3. 4 *200 is equal to 12800 12800 cubic decimeter = 12.8 cubic meters.

The cube of 6 of 4 equals 2 16 2 16 cubic decimeter equals 2 16000ML.