题目内容

计算下面各题。
(1)8.65-(3.56+1.8) (2)6.5+(12.08+4.36)
(3)19.46-(5.44-3.476) (4)5.45+0.98-2.73
(5)56.23+31.07-54.1 (6)100-(28.4+32.05)
(1)原式=8.65-5.36
                =3.29
(2)原式=6.5+16.44
                =22.94
(3)原式=19.46-1.964
                =17.496
(4)原式=6.43-2.73
                =3.7
(5)原式=87.3-54.1
                =33.2
(6)原式=100-60.45
                =39.55
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