Tính:
----- Nội dung dịch tự động từ ảnh -----
Bài 3. Tính:
1) 13+21.5-(198:11-8)
3) 15.24-14.5(145:5-27)
5) (64+115+36)-25.8
7) 250:50-(46-75+54):5
9) 140-180 (47-90+43)+7 = (
2) 272:16-5+4(30-5-255:17)
4) 18.3-18.2+3(51:17)
6) 15.8-(17-30+83)-144:6
8) 13(17-95+83):5-18:9
10) 24 (15+30+85-120):10
11) 27+73-30:(
0:(25-10)=x (12) 18-4(27-90+73):10
Bài 3. Tính:
1) 13+21.5-(198:11-8)
3) 15.24-14.5(145:5-27)
5) (64+115+36)-25.8
7) 250:50-(46-75+54):5
9) 140-180 (47-90+43)+7 = (
2) 272:16-5+4(30-5-255:17)
4) 18.3-18.2+3(51:17)
6) 15.8-(17-30+83)-144:6
8) 13(17-95+83):5-18:9
10) 24 (15+30+85-120):10
11) 27+73-30:(
0:(25-10)=x (12) 18-4(27-90+73):10