Answer:
1. 70
2. 40
3. 62
4. 72
5. 57
6. 24
7. 610
8. 126
9. Hindi ko maintindihan pakiclear.
10. 18
Step-by-step explanation:
1. (9-2)+(3×21)
=(9-2)+63
=7+63
= 70
2. (18+14)+(6+2)
=32+(6+2)
=32+8
=40
3. 6+7×8
=6+56
= 62
4. (25+11)×2
=36×2
=72
5. 3+6×(5+4)
=3+6×9
=3+54
=57
6. 4×(15-13)+16
=4×2+16
=8+16
=24
7. (93+7)× 6+10
=100×6+10
=600+10
=610
8. 12×3+(100-10)
=12×3+90
=36+90
=126
10. (16+8)-(4+2)
=24-(4+2)
=24-6
=18