Question

4.8x3.2+6.2x3.2-3.2 4/5x3.8+0.8x6.2 计算要过程

Answer 1

4.8x3.2+6.2x3.2-3.2
=（4.8+6.2-1）x3.2
=10x32
=320
4/5x3.8+0.8x6.2
=0.8x（3.8+6.2）
=0.8x10
=8

Answer 2

1）2(x-0.7)-3(1.4-2x)=0 (2)7(2x-1)-3(4x-1)=5(3x+2)-1 (3)x/2- 5x+2/6 =1-2x-4/3 (4)-2(3x-7)=x+13 (5)x-2/3+3x+4/6=1/2 (6)2/5x-8=1/4-0.2x (7)1-x-7/3=4(x-10) (8)y+1/6=y/3+1 (9)3/4[4/3(1/2x-1)-8]=3/2+x (10）2x-1/6 - 3x-1/8=1 (11)2x-1/3 - 10x+1/6=2x+1/4-1 (12)4(x+2)/3-x-7/5=12

Answer 3

Answer 4

3.2×（4.8+6.2-1）＝32

追答

0.8×（3.8+6.2）＝8

Answer 5

加悬赏