问题
解答题
|
答案
(1)3×(150-1530÷15)
=3×(150-102)
=3×48
=144;
(2)[1-(
-1 2
)]×1 4 2 3
=[1-
]×1 4 2 3
=
;1 2
(3)(1-0.95)÷0.01
=0.05÷0.01
=5;
(4)
+(11 15
+4 15
)5 9
=(
+11 15
)+4 15 5 9
=1+5 9
=1
;5 9
(5)3.72×99+3.72
=3.72×(99+1)
=3.72×100
=372;
(6)
×140111 139
=
×(139+1)111 139
=
×139+111 139 111 139
=111+111 139
=111
;111 139
故答案为144;
;5;11 2
;372;1115 9
.111 139