1楼:匿名用户
3.25x0.87+0.325x8.7
=3.25x0.87+3.25x0.87
=3.25x2x0.87
=6.5x1-6.5x0.1-6.5x0.03=6.5-0.65-0.195
=6.5-0.845
=6.5-1+0.155
=5.5+0.155
=5.655
4.84加3.16乘0.87简便计算
2楼:西域小镇
解:(4.84+3.16)x0.87
=8x0.87
=8x(0.8+0.07)
=6.4+0.56
=6.96
3楼:云南万通汽车学校
去掉小数点,然后得出结果后再加上几位小数点就ok!
3.25乘五点7+0点325×33加3.25的简便算法
4楼:凌月霜丶
3.25乘五点7+0点325×33加3.25的简便算法3.25乘五点7+0点325×33加3.25=3.25*(5.7+3.3+1)
=3.25*10
=32.5
5楼:匿名用户
3.25x5.7+0.325x33+3.25=3.25x5.7+3.25x3.3+3.25x1=3.25x(5.7+3.3+1)
=3.25x10
=32.5
3.25×7.6+32.5×0.25-0.325的简便计算
6楼:匿名用户
3.25 32.5 0.
325 10倍关系,统一下3.25*7.6+3.
25*2.5-3.25*0.
1=3.25*(7.6+2.
5+0.1)
=3.25*10
=32.5
7楼:我是农大设计师
3.25×7.6+32.5×0.25-0.325=0.325×76+0.325×25-0.325=0.325×(76+25-1)=32.5
3.25乘1.1-0.325简便方法
8楼:凌月霜丶
3.25乘1.1-0.325简便方法
3.25乘1.1-0.325
=3.25*1.1-3.25*0.1
=3.25*(1.1-0.1)
=3.25
0.87×3.36+0.464×8.7怎么写简便计算
9楼:匿名用户
0.87×3.36+0.464×8.7
=0.87x3.36+0.87x4.64
=0.87x(3.36+4.64)
=0.87x8
=6.96
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10楼:匿名用户
0.87×3.36+0.464×8.7
=0.87x3.36+4.64x0.87
=0.87x(3.36+4.64)
=0.87x8
=6.96
2.25乘8.7加77.5乘0.67这么简算
11楼:新野旁观者
简便计算
2.25×8.7+77.5×0.87
=2.25×8.7+7.75×8.7
=(2.25+7.75)×8.7
=10×8.7=87
0.325乘0.8加0.55除以5/4减3/5除以8/7怎么算
12楼:新野旁观者
0.325乘0.8加0.
55除以5/4减3/5除以8/7=0.325×0.8+0.
55×4/5-3/5×7/8=(0.325+0.55)×0.
8-3/5×7/8=7/8×0.8-3/5×7/8
=7/8×(0.8-3/5)
=7/8×1/5
=7/40