1.08÷(12.3-6.9)脱式计算
1.08÷(12.3-6.9)脱式计算
1.08÷(12.3-6.9)
=1.08÷5.4
=2
3.4×(12.3-6.9)简便计算
3.4×(12.3-6.9)
=3.4×(5+0.4)
=3.5x5 +3.4x0.4
=17 +1.36
=18.36
3.4×(12.3-6.9)简便运算
3.4乘12.3-3.4乘6.9
=41.82-23.46
=18.36
6.9×101脱式计算
6.9×101
=6.9×(100+1)
=6.9×100+6.9
=696.9
12.3x99 12.3用脱式计算
12.3x99 12.3用脱式计算
12.3x99+ 12.3
=12.3×(99+1)
=12.3×100
=1230
1.08x9+1.08脱式计算
原式等于
1.08×(9+1)
=1.08×10
=10.8
所以原式的计算结果为10.8
脱式计算.1.08×0.8÷0
(1)1.08×0.8÷0.27
=0.864÷0.27
=3.2;
(2)44.28÷0.9÷4.1
=49.2÷4.1
=12;
(3)2.05÷0.82+33.6
=2.5+33.6
=36.1.
6.9×0.75÷0.5脱式计算
6.9×0.75÷0.5
=6.9x1.5
=10.35
脱式计算6.8-4.95+1.08
6.8-4.95+1.08
=1.85+1.08
=2.93
1.08乘9.8的脱式计算
1.08x9.8
=1.08x(10-0.2)
=1.08x10-1.08x0.2
=10.8-0.216
=10.584
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