Question

in cm²:

7, 45 m² - 4,52 dm² + 72,5 cm² =
37,01 m²-21 , 57 dm² - 1234 mm ²=
12,5 dm² - 0, 0135 m² -0,01 201 dam²=
1 2 456 mm² +0, 123 m² +172 dm =​

Answer 1

dc nu ma lasa sa pun numarul scz frate

Answer 2

7,45 m2= 7,45 x10000= 74500 cm 2
4,52 dm2= 4,52 x100 = 452 cm 2
74500-452+72,5= 74120,5 cm 2


37,01 m2= 37,01x10000= 370100 cm2
21,57 dm2= 21,57 x100 = 2157 cm2
1234 mm2= 1234:100= 12,34 cm2
370100-2157-12,34=367930,66 cm2