a)247,26+165,38+17,5=
431,26+209,82-137,93=
b)263,434:21,4+78,82=
235,71-13,26×12=
a)247,26+165,38+17,5= 431,26+209,82-137,93= b)263,434:21,4+78,82= 235,71-13,26×12=
By Josephine
By Josephine
a)247,26+165,38+17,5=
431,26+209,82-137,93=
b)263,434:21,4+78,82=
235,71-13,26×12=
`a,247,26+165,38+17,5`
`=412,64+17,5`
`=430,14`
`431,26+209,82-137,93`
`=641,08-137,93`
`=503,15`
`b,263,434:21,4+78,82`
`=12,31+78,82`
`=91,13`
`235,71-13,26×12`
`= 235,71-159,12`
`=76,59`
Giải thích các bước giải:
a) 247,26 + 165,38 + 17,5 = 430,14.
431,26 + 209,82 – 137,93 = 503,15.
b) 263,434 : 21,4 + 78,82 = 91,13.
235,71 – 13,26 × 12 = 76,59.
Chúc bạn học tốt!