1.45 15×6= 135
2.250÷5×8=400
3.6×5÷2×4=60
4.30×3 8=98
5.400÷4 20×5= 200
6.10 12÷3 20=34
7.(80 ÷20 80)÷4=21
8.70 (100-10×5)=120
9.360÷40 10= 19
10.40×20-200 = 600
11.(80-25)*2= 110
12.70 45=115
1.45 15×6= 135
2.250÷5×8=400
3.6×5÷2×4=60
4.30×3 8=98
5.400÷4 20×5= 200
6.10 12÷3 20=34
7.(80 ÷20 80)÷4=21
8.70 (100-10×5)=120
9.360÷40 10= 19
10.40×20-200 = 600
11.(80-25)*2= 110
12.70 45=115