朝cc之心
幼苗
共回答了17个问题采纳率:82.4% 举报
14-7.32-2.68
=14-(7.32+2.68)
=14-10
=4
0.8×(4.3×1.25)
=0.8×1.25×4.3
=1×4.3
=4.3
1.23+3.4-0.23+6.6
=1.23-0.23+(3.4+6.6)
=1+10
=11
28.6×101-28.6
=28.6×(101-1)
=28.6×100
=2860
6.032+3.6+1.98
=9.632+1.98
=9.632+2-0.02
=11.632-0.2
=11.612
1年前
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