问题 填空题
计算:
(16
8
247
×2.375+12
4
285
×4.75)×19.98
6.66×(48×2-
167
195
)
=______.
答案

(16
8
247
×2.375+12
4
285
×4.75)×19.98
6.66×(48×2-
167
195
)

=

[(16+
8
247
19
8
+(12+
4
285
19
4
]×19.98
6.66×(96-
167
195
)

=

(16×
19
8
+
8
247
×
19
8
+12×
19
4
+
4
285
×
19
4
)×3
95
28
195

=

(38+
1
13
+57+
1
15
)×3
95
28
195

=

(95+
28
195
)×3
95
28
195

=3.

故答案为:3.

单项选择题 A3/A4型题
单项选择题