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计算,能简便的要简便计算.642-(36+132)÷4375+125÷5×12868-(168+54)88×27+27×1265×99+6515×23-23×5125×32×535×202

题目详情
计算,能简便的要简便计算.
642-(36+132)÷4          375+125÷5×12             868-(168+54)
88×27+27×12                   65×99+65               15×23-23×5
125×32×5                         35×202                   98×15
3500÷4÷25                         25×28                   545-167-145.

642-(36+132)÷4          375+125÷5×12             868-(168+54)
88×27+27×12                   65×99+65               15×23-23×5
125×32×5                         35×202                   98×15
3500÷4÷25                         25×28                   545-167-145.
642-(36+132)÷4          375+125÷5×12             868-(168+54)642-(36+132)÷4         375+125÷5×12            868-(168+54) 88×27+27×12                   65×99+65               15×23-23×588×27+27×12                  65×99+65              15×23-23×5 125×32×5                         35×202                   98×15125×32×5                        35×202                  98×15 3500÷4÷25                         25×28                   545-167-145.3500÷4÷25                        25×28                  545-167-145.
▼优质解答
答案和解析
(1)642-(36+132)÷4
=642-168÷4
=642-42
=600;

(2)375+125÷5×12
=375+25×12
=375+300
=675;

(3)868-(168+54)
=868-168-54
=700-54
=646;

(4)88×27+27×12
=(88+12)×27
=100×27
=2700;

(5)65×99+65
=65×(99+1)
=65×100
=6500;


(6)15×23-23×5
=(15-5)×23
=10×23
=230;

(7)125×32×5
=125×8×4×5
=(125×8)×(4×5)
=1000×20
=20000;

(8)35×202
=35×(200+2)
=35×200+35×2
=7000+70
=7070;

(9)98×15
=(100-2)×15
=100×15-2×15
=1500-30
=1470;

(10)3500÷4÷25
=3500÷(4×25)
=3500÷100
=35;

(11)25×28
=25×(4×7)
=25×4×7
=100×7
=700;

(12)545-167-145
=545-145-167
=400-167
=233.