(1)47
来源:学生作业帮 编辑:作业帮 分类:数学作业 时间:2024/05/13 15:58:51
(1)
(1)
4 7+3.52+ 3 7+48%, =( 4 7+ 3 7)+(3.52+48%), =1+4, =5; (2) 3 4× 1 11+ 1 11× 1 4, =( 3 4+ 1 4)× 1 11, =1× 1 11, = 1 11; (3) 5 7÷(5-3.9× 2 3), = 5 7÷(5-2.6), = 5 7÷2.4, = 5 7÷ 12 5, = 5 7× 5 12, = 25 84; (4)25-25× 99 100, =25×(1- 99 100), =25× 1 100, = 1 4; (5)1000÷32÷0.25÷0.125, =1000÷(4×8)÷ 1 4÷ 1 8, =1000÷4÷8×4×8, =1000×(4÷4)×(8÷8), =1000; (6)38 3 4-15.38+61.25-4.62, =38.75-15.38+61.25-4.62, =(38.75+61.25)-(15.38+4.62), =100-20, =80.
(12|1+47|3)×12—47|36
(1/12+3/47)*12-36除以47
38*(85分之1+47分之1)-47*(38分之1--85分之1)+85*(38分之1--47分之1)简算
99乘以47加47等于(99加1)乘以47用了什么运算定律
4/1+12/1+24/1+40/1+.19800/1
47*9又47/4611/23*(3/1*4/22-46/77)
(1/37+1/41+1/43+1/47+1/53)*(1/41+1/43+1/47+1/53+1/54)-(1/37+
(1/12+3/47)x12-36/47
1-47课,
(47)题的,
小学六年级简算1949 乘 [(47分之1)-(1996分之1)] + 47 乘 [(1949分之1)-(1996分之1
(3+根号3)分之1+(5*根号3+3*根号5)分之1+...+(49*根号47+47*根号49)分之1
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