Fill in the blanks on page 4 1 (1). 90 (2). Square (3). 78.5 188.4 345.4 47 1 157 (4).202.2 (5).A: B = 75 72 (7) 3 (8) 1: 4 II。 Judge (1) wrong (2) wrong (3) right (4) wrong three (1) 3:1.2 =15: 6.

I wrote that the teacher has changed.

If there is no book, why not send me the picture if it is wrong?