Bantuin aku dong kerjain tugasku besok di kumpul plisss 1.2 2/3:20%-0,4×1/8= 2.2 2/3+20%×0,4:1/8= 3.2 2/3-20%:×1/8=

1.2 ⅔ : 20% - 0,4 x ⅛ =
⅔ : 20/100 - 4/10 x ⅛ =
⅔ x 100/20 - 4/10 x ⅛ =
200/60 - 4/80 =
800/240 - 12/240 =
812/240 =
203/60 = 3 23/60

2.2. ⅔ + 20% x 0,4 : ⅛=
⅔ + 20/100 x 4/10 x 8/1=
⅔ + 640/1000 =
2000/3000 + 1920/3000 =
3920/3000=
98/75 = 1 23/75

3.2 ⅔ - 20% x ⅛ =
⅔ - 20/100 x ⅛ =
⅔ - 20/800 =
1600/2400 - 60/2400 =
1540/2400 =
77/120

1. 2 2 / 3 ÷20 /100 - 4 / 10× 1 / 8 = 200 / 60 - 4 / 80 = 3 20 / 60 - 1 / 20 = 3 20 / 60 - 3 / 60 = 3 17 / 60.
2.2 2 / 3 + 20 / 100 × 4 / 10 ÷ 1 / 8 = 2 / 3 + 20 / 100 × 4 / 10 × 8 =
2 / 3 + 640 / 1000 = 2 / 3 + 64 / 100 = 200 / 300 + 192 / 300 = 392 / 300 =
1 92/300