脱式计算,能简便计算的要简便计算.3×(150-1530÷15) [1-( 1 2 - 1 4 )]×
脱式计算,能简便计算的要简便计算.3×(150-1530÷15)[1-(12-14)]×23(1-0.95)÷0.011115+(415+59)3.72×99+3.721...
脱式计算,能简便计算的要简便计算.3×(150-1530÷15) [1-( 1 2 - 1 4 )]× 2 3 (1-0.95)÷0.01 11 15 +( 4 15 + 5 9 ) 3.72×99+3.72 111 139 ×140.
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(1)3×(150-1530÷15) =3×(150-102) =3×48 =144; (2)[1-(
=[1-
=
(3)(1-0.95)÷0.01 =0.05÷0.01 =5; (4)
=(
=1+
=1
(5)3.72×99+3.72 =3.72×(99+1) =3.72×100 =372; (6)
=
=
=111+
=111
故答案为144;
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