Tính
----- Nội dung dịch tự động từ ảnh -----
Bài 2. Tính: hi
Vi du:
0001
18
23.4+7.190-3
= 8.4+7.1-3
=32+7-3
=39-3
TS=20
20
e
=36
1) 22.3-4
2) 16-23.2
3) 4²-4.2
5) 72-9.22
6) 22.3+42
7) 42.3+22.4
(01
4) 33-2.32
8) 22.3+16:8
9) 42:2+32.2
10) 62:2-3².2
11) 32:4²+42:7
12) 16:22 +23.3-32
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
11) 27+73-30:(25-10)
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
(
12) 18-4(27-90+73):102
Bài 2. Tính: hi
Vi du:
0001
18
23.4+7.190-3
= 8.4+7.1-3
=32+7-3
=39-3
TS=20
20
e
=36
1) 22.3-4
2) 16-23.2
3) 4²-4.2
5) 72-9.22
6) 22.3+42
7) 42.3+22.4
(01
4) 33-2.32
8) 22.3+16:8
9) 42:2+32.2
10) 62:2-3².2
11) 32:4²+42:7
12) 16:22 +23.3-32
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
11) 27+73-30:(25-10)
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
(
12) 18-4(27-90+73):102