12.48-21.28÷7.6×3.1 要脱试
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12.48-21.28÷7.6×3.1要脱试12.48-21.28÷7.6×3.1要脱试12.48-21.28÷7.6×3.1要脱试=12.48-2.8x3.1=12.48-8.68=3.8
12.48-21.28÷7.6×3.1 要脱试
12.48-21.28÷7.6×3.1 要脱试
12.48-21.28÷7.6×3.1 要脱试
=12.48-2.8x3.1
=12.48-8.68
=3.8
12.48-21.28÷7.6×3.1 要脱试
12.48-21.28÷7.6x3.1 计算
12.48-21.28/7.6*3.1 8.64/2.7+6.5*0.6
21.28-21.28/7.6*3.1应该怎样简算简算题
22.8-22.8/7.6*3.1
12.48÷14分之13等于多少
怎样简便就怎样算 2.4÷(0.7+0.14) 17.6-7.6×1.4-5.36
奥数网21.8-(21.8/7.6*3.1)=多少
简便计算:7.6÷1.25+7.6×0.8
五年级下数学递等式①5.1÷5+4.9×20%②(8/9+1/6)×72%③3/4÷(75%+5/8)④125%×7.6-1.25×3.1+10/8×5.5
计算题(简便方法)①12.6×7.6×2.32÷1.9÷1.4÷2.9②6.66×1.2+3.33×7.6③23.5×5.66-23.4×5.67④1.2÷﹙1.2÷2.3﹚÷﹙2.3÷3.4﹚÷﹙3.4÷4.5﹚
3.1÷0.7=4.( )
380÷7.6竖式计算
2008乘2009分之2007怎么写 算式还有4÷132+6×53 (0.86+0.86+0.86+0.86)×25 261-2.86×(6.25-641) 261-2.86×(6.25-641) 7.6×21÷[1.9-1.9×(1.9-1.9)] (70+681)×691 1-1÷2-1÷3-61 19.98
7.6÷4.2+2.4×0.25简便计算是7.6÷4+2.4×0.25
7.6÷5.4÷1.9×5.4怎么简算?
4.4+18.6÷3.1简便计算
5.58÷3.1竖式计算