(1.25+2.5)×16 = 1.25×3.7×0.8= 3.4×9+3.4= 9.24×9+3.4=
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(1.25+2.5)×16=1.25×3.7×0.8=3.4×9+3.4=9.24×9+3.4=(1.25+2.5)×16=1.25×3.7×0.8=3.4×9+3.4=9.24×9+3.4=(1.2
(1.25+2.5)×16 = 1.25×3.7×0.8= 3.4×9+3.4= 9.24×9+3.4=
(1.25+2.5)×16 = 1.25×3.7×0.8= 3.4×9+3.4= 9.24×9+3.4=
(1.25+2.5)×16 = 1.25×3.7×0.8= 3.4×9+3.4= 9.24×9+3.4=
(1.25+2.5)×16
=1.25x16+2.5x16
=1.25x8x2+2.5x4x4
=10x2+10x4
=20+40
=60
1.25×3.7×0.8
=1.25x0.8x3.7
=1x3.7
=3.7
3.4×9+3.4
=3.4x(9+1)
=3.4x10
=34
= =你确认这是个等式?!
(1.25+2.5)×16 = 1.25×3.7×0.8= 3.4×9+3.4= 9.24×9+3.4= 简算
(1.25+2.5)×16 = 1.25×3.7×0.8= 3.4×9+3.4= 9.24×9+3.4=
40×1.25×2.5×0.08=(40×2.5)×(1.25×0.08),计算的依据是什么
(2.5+1.25)/0.5简算
1/2.5/16/1.25/0.5简算
1.25×1.2×2.5×16可以巧算吗
1.25×16×0.79×2.5 简便方法做
找规侓填数:2.5,1.25,0.625,( ),0.15625.
3.47×(3.75-2.5)+4.53×1.25
1.25×(0.8+4)×2.5简便算法
1/(2.5+0.75*1.25*8) 巧算
1.25乘(0.8+4)乘2.5
12.5×16+1.25×16+2.5×8+25×0.8 简便运算!
3÷()=4分之5×()=5比()=1.25=16分之()
1.25*2.5*3.
2.5×1.25×32
2.5*3.2*1.25简算
2.5*1.25*32