6.93*99+6.93 12.5*3.4*0.8 4.36*99+4.36 8.7*9.9 2.5*32*0.125
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6.93*99+6.93 12.5*3.4*0.8 4.36*99+4.36 8.7*9.9 2.5*32*0.125 全部用简便运算
6.93*99+6.93
=6.93*(99+1)
=6.93*100
=693
12.5*3.4*0.8
=12.5*0.8*3.4
=10*3.4
=34
4.36*99+4.36
=4.36*(99+1)
=4.36*100
=436
8.7*9.9
=8.7*(10-0.1)
=87-0.87
=86.13
2.5*32*0.125
=2.5*4*8*0.125
=10*1
=10
=6.93*(99+1)
=6.93*100
=693
12.5*3.4*0.8
=12.5*0.8*3.4
=10*3.4
=34
4.36*99+4.36
=4.36*(99+1)
=4.36*100
=436
8.7*9.9
=8.7*(10-0.1)
=87-0.87
=86.13
2.5*32*0.125
=2.5*4*8*0.125
=10*1
=10
104*2.5 1.25*(4-0.8) 4.2*0.5-1.6*0.52 12.5*32*0.25 0.48*99+0
99*7.56+7.56 2.5*3.2 *1.25 【0.125+1.25+12.5】*8
简算99000/25/4 0.125*32*2.5 111*99*111
0.05*3.18*400 【1.25+1.25+0.125】*0.8 7.5*100.1 0.25*83.6-4.36
简便算法.4.36*2.5+2.5*3.64+5
4.36*4.36+5.64*4.36怎么简便计算
用简便方法计算 10.3×99+10.3 3.7×2.5+0.3×2.5 0.125×(8+0.8) 1.6×7.8×1
简便计算:(1)3.4×7.8÷3.9(2)85÷0.17÷5(3)0.125×(2.4+0.8)×2.5(4)9.9×
9.6加9.9乘99 4.65乘32加2.5乘46.5加0.465乘430 简便计算
99* 9.9+99简便方法
12.5*88 57*9.9+5.7 12.5*23*16 101*99+1 分别是什么运算定律?
简便计算 6.2×1.02 1.25 ×99 12.5×32×2.5 4.12-1.78-1.22 4.2÷0.7÷6