36×2.5;(12.5+0.25)×8;0.125×7.2;401×0.32简便计算题目有一点多,不过,我会加分的,谢谢~~~~~
来源:学生作业帮助网 编辑:作业帮 时间:2024/10/19 06:39:28
x͐10).z Ctd1&N5ę8jBt*`q
M&|GWskd=
q0[H@X k " 8ajG|ɣ-\ut㐏N>"LL o3B1r8{CԤoCIy7[JjZ/%jD"Sj+|«_M *i%1ߒdﵻ|]
36×2.5;(12.5+0.25)×8;0.125×7.2;401×0.32简便计算题目有一点多,不过,我会加分的,谢谢~~~~~
36×2.5;(12.5+0.25)×8;0.125×7.2;401×0.32简便计算
题目有一点多,不过,我会加分的,谢谢~~~~~
36×2.5;(12.5+0.25)×8;0.125×7.2;401×0.32简便计算题目有一点多,不过,我会加分的,谢谢~~~~~
36×2.5
=9x4x2.5
=9x10
=90
(12.5+0.25)×8
=12.5x8+0.25x4x2
=100+1x2
=102
0.125×7.2
=0.125x8x0.9
=1x0.9
=0.9
401×0.32
=400x0.32+1x0.32
=128+0.32
=128.32
用简便方法计算(一定要用简便方法!) 2.5+36 3.2×12.5×0.25
36×2.5;(12.5+0.25)×8;0.125×7.2;401×0.32简便计算题目有一点多,不过,我会加分的,谢谢~~~~~
简算下面各题 2.5×(2.8×0.04) (8×2.57)×1.25 36×0.25+64×0.25 0.04×29+0.04
判断 1、5.7×10.2=5.7×10+5.7×2=68.4 2、2.9×8×1.25=2.9×(8×1.25)运用了乘法交换律判断 3、0.25×9.9=0.25×10—0.25 4、3.2×2.5×12.5=(0.4×2.5)+(8×12.5) 5、0.3×0.4=0.2×0.6是用了乘法交换律
1/4/8/0.25/12.5
用简便方法计算 456-198 45×0.99 2.5×36 720÷5÷6 3.2×12.5×0.25
12.5*(8+0.4)*2.5(递等式计算)
36×¼-15×25%-0.25 15.8-十八分之七+14.2-十八分之十一2.5×3.2×12.5,(1+三分之一)÷(1-三分之一)用递等式计算,能简算的写出简算过程,
2.5*(8-0.4)*12.5简算
12.5*(8+4)*2.5 运算
能简便的用简便方法!21÷0.25÷0.4 4.26×2.5+2.35 9.85÷12.5÷8
2.5*12.5*(2.4+0.8)
32*2.5-3.14*0.25*8
一.递等式:2.5×1.6×0.25 1.01×9.8 8.88×12.5
找规律填空1、0.25、1/2、12.5%()小数、()分数、1/8、1/32
数学五年级习题(1题)简便计算 12.5*(8+0.4)*0.25
巧算 46+32+54 546+785-146 0.7+3.9+4.3+6.1 25*49*4 8* (36*125) 8*4*12.5*0.25 2.7*4.8+2.7*5.2905*99+90513*10.2
简便计算.12.5×8.7 12.5×8.8 0.简便计算.12.5×8.7 12.5×8.80.32×32×1.25 0.25×4.812×2.5