
用递等式计算下面各题 3774÷37×(65+35) 540-(148+47)÷13 (308-308÷28)×11 (
用递等式计算下面各题3774÷37×(65+35)540-(148+47)÷13(308-308÷28)×11(10+120÷24)×5(238+7560÷90)÷142...
用递等式计算下面各题 3774÷37×(65+35) 540-(148+47)÷13 (308-308÷28)×11 (10+120÷24)×5 (238+7560÷90)÷14 21×(230-192÷4)
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(1)3774÷37×(65+35)
=3774÷37×100
=102×100
=10200;
(2)540-(148+47)÷13
=540-195÷13
=540-15
=525;
(3)(308-308÷28)×11
=(308-11)×11
=297×11
=3267;
(4)(10+120÷24)×5
=(10+5)×5
=15×5
=75;
(5)(238+7560÷90)÷14
=(238+84)÷14
=322÷14
=23;
(6)21×(230-192÷4)
=21×(230-48)
=21×182
=3822.
=3774÷37×100
=102×100
=10200;
(2)540-(148+47)÷13
=540-195÷13
=540-15
=525;
(3)(308-308÷28)×11
=(308-11)×11
=297×11
=3267;
(4)(10+120÷24)×5
=(10+5)×5
=15×5
=75;
(5)(238+7560÷90)÷14
=(238+84)÷14
=322÷14
=23;
(6)21×(230-192÷4)
=21×(230-48)
=21×182
=3822.
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