2 3 + 1 2 =____	30 × 3 5 =____	0.48÷0.6=____	4 7 ﹣ 1 2 =____
3 4 ÷2=____	3.5﹣3.05=____	5 9 ÷ 1 6 =____	7 × （ 3 7 + 14 1 ）=____
3 8 × 16 7 =____	1﹣ 2123 =____	12 5 ÷ 1 3 =____	4﹣ 4 9 ﹣ 5 9 =____
0.25 × 12=____	12 7 × 14 9 =____	3.27+1.83=____	5 6 + 17 2 + 1 6 =____