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The fifth grade People's Education Edition winter vacation homework's Answers to Mathematics Volume I 20 16.
Winter vacation is a day that students are looking forward to very much. The arrival of the 20 16 winter vacation will definitely make the students ecstatic! Zhikun Education Bian Xiao provides you with the answers to the fifth grade mathematics winter vacation, hoping to really help you.

The first page:

I. 31.2,8.7, 1.26,12,4

17,0.4, 0.24, 3 , 0.06, 15

Two. 4. 14, 0. 144, 2.04, 28

Three. 16.25, 162.5, 0. 1625,42, 0.42, 0.42.

Four. 15.6, 27.72

Page two:

Four. 2.25, 4. 16, 25.75, 82

Verb (abbreviation of verb) 4.8×3.2÷2 2.8× 1.6

= 15.36÷2 =4.48 (square centimeter)

=7.68 (square centimeter)

(2.4+4.6)×3.2÷2(8.4+ 1 1.8)×7.5÷2

=7×3.2÷2=20.2×7.5÷2

= 1 1.2 (square centimeter) =75.75 (square centimeter)

Page three:

Sixth, solve the problem.

1, 680 ÷ 4× 3.2 =170× 3.2 = 544km.

2. ① 541.8÷15 = 36.12 (m)

② 54 1.8÷7= 77.4 (m)

③ 77.4-36.12 = 41.28 (m)

3. 185×5.4= 999 km

4.0.8× 24×18 =19.2×18 = 345.6 (yuan)

Page four:

5.324×1.2+48 = 388.8+48 = 436.8 (yuan)

Improved articles:

1、28

2、 392.6× 192-39260×0.927.5×23+3 1×2.5

=392.6× 192-392.6×92=2.5×(3×23)+3 1×2.5

=392.6×( 192-92)=2.5×(69+3 1)

=392.6× 100 =2.5× 100

=39260=250

3、 0.79×0.46+7.9×0.24+ 1 1.4×0.079

=0.79×0.46+0.79×2.4+ 1. 14×0.79

=0.79×(0.46+2.4+ 1. 14)

=0.79×4

=3. 16

Page five:

1 、>; ,& lt,& lt,& lt,& gt,& gt

2、32.37.7

3、0.832.46

4、0.56× 10 1 =0.56× 100+0.56× 1=56+0.56=56.56

2.37×0.5×4=2.37×(0.5×4)=2.37×2=4.74

3.7×2.5+6.3×2.5=(3.7+6.3)×2.5= 10×2.5=25

1.2×0.25=4×0.25×0.3= 1×0.3=0.3

0.25×6.9×0.4=0.25×0.4×6.9=0. 1×6.9=0.69

0.25×32× 1.25=0.25×4×(8× 1.25)= 1× 10= 10

Page six:

5. Perimeter (4.8+3.2)×2=8×2= 16 (cm)

Area 4.8×3= 14.4 (square centimeter)

6, 1) 4.75× 1.2=5.7 (yuan)

2) Length 6×1.5 = 9m× 6 = 54m 2.

Or 6× 1.5×6=9×6=54 (square meter)

3) (35.7+24.3) × 25 = 60× 25 =1500 (yuan)

Page seven:

4)15× 0.45 = 6.75km 6× 0.9 = 5.4km.

6.75 & gt5.4

A: Teacher Li's home is 6.75 kilometers away from school, so it takes 0.9 hours to get to school.

5) 2.94× 23 = 67.62m ≈ 68m

6) 6.5× 4 ÷ 2 ÷100×12 = 0.13×12 =14.

Page 8:

7)24× 18.5=444 (square centimeter)

8)4.8× 1.5÷2=7.2÷2=3.6 (square centimeter)

(2.7+6.3)×5÷2=45÷2=22.5 (square decimeter)

9)10× 20+(12-10 )× (20-14) ÷ 2 = 200+6 = 206 (square centimeter) (various methods).