Question

脱式计算，能简算的要简算

• 你的回答被采纳后将获得：
• 系统奖励15（财富值+成长值）+难题奖励20（财富值+成长值）

Answer 1

4.8-3.2×0.2
=4.8-0.64
=4.16
0.32+0.8×0.6
=0.32+0.48
=0.8
9.9×13.6
=10×13.6-0.1×13.6
=136-1.36
=134.64
8.36-2.48-3.52
=8.36-(2.48+3.52)
=8.36-6
=2.36
3.2×1.64-1.71
=5.248-1.71
=3.538