Fill in the brackets with 28.7 divided by () = 478.3 zero point zero zero two Urgent! Quick!

Fill in the brackets with 28.7 divided by () = 478.3 zero point zero zero two Urgent! Quick!

Let the number in brackets be X
478.3*x+0.002=28.7
478.3x=28.698
x=0.06

Fill in the line. 8.7 △ 0.29=______ ÷29；______ ÷0.16×4=0.12；  28.7÷______ =478.3… 0.002; & nbsp; & nbsp; & nbsp; 2.395 it is necessary to keep two decimal places______ ．

① 8.7 △ 0.29 = 870 △ 29; ② 0.0048 △ 0.16 × 4 = 0.12; & nbsp; & nbsp; ③ (28.7-0.002) △ 478.3 = 28.698 △ 478.3 = 0.06; ④ 2.395 the two decimal places are 2.40; so the answer is: 870, 0.0048, 0.06, 2.40

28.7 △ mouth = 478.3 002, mouth = a few seconds

28.7 △ mouth = 478.3 002, mouth = 0. 06

Simple calculation of 57.6 times 1.6 + 28.8 times 36.8-14.4 times 80

=(6.4*9)*1.6+(14.4*2)*36.8-14.4*80
=6.4*14.4+14.4*73.6-14.4*80
=14.4*(6.4+73.6-80)=14.4*0=0