(1)原式=(86+1)×
=3
(2)原式=87.58-7.58+3.8
=83.8
(3)原式=
×(18+32)
=
×50
=20
(4)原式=
×
×
×
=
(5)原式=(95.6+0.4)×
=96×
=6 (6)原式=(3.6+6.4)+(
+
)
=10+1
=11
(1)原式=(86+1)×
=3
(2)原式=87.58-7.58+3.8
=83.8
(3)原式=
×(18+32)
=
×50
=20
(4)原式=
×
×
×
=
(5)原式=(95.6+0.4)×
=96×
=6 (6)原式=(3.6+6.4)+(
+
)
=10+1
=11