Help! ! Several math problems in the fifth grade of primary school - Training Enrollment Network

Help! ! Several math problems in the fifth grade of primary school

1.77.7/37=2. 1 90*2. 1= 189 ( 189= 1 1 1)*37= 1 1 100

2. After the error: original =10:10/= 910 = 9 =1921.6/9 *1= 2.

3.5.6+0.7=6.3 4 =1.41+4 = 56.3/5 *1=1.261.26-0.7 = 0.56.

4.b:A = 10: 10+ 1 = 1 1 38.5/ 1 1 = 3.5 = A 3.5 * 65438+。

5. Move the number one place to the left: the original number =1:101= 9 20.82-

1 1.64=9. 18 9. 18/9* 10= 10.2

6.= 1995*( 1996. 1996- 1995. 1995- 1-0.000 1)=0

7.9-7=2 10-6=4 times 2/4=0.5 0.5*6=3 7-3=4.

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