98.5-14.82除7.6×3.2简便计算?
98.5-14.82除7.6×3.2简便计算?
98.5-14.82÷7.6×3.2
=98.5-1.95×3.2
=98.5-2×3.2+0.05×3.2
=98.5-6.4+0.16
=92.1+0.16
=92.26
4.7×4.7+4.7+4.3×4.7 脱试计算 98.5-14.82÷7.6×3.2
4.7*4.7+4.7+4.3*4.7
=4.7*4.7+1*4.7+4.3*4.7
=(4.7+4.3+1)*4.7
=10*4.7
=47
原式=98.5-1.95×3.1
=98.5-6.045
=92.455
数学之家
望采纳
98.5一14.82÷7.6x3.2=?脱式计算
如98.5一14.82没有括号,就是下面这个结果
98.5一14.82÷7.6x3.2 =98.5-1.95 x3.2
=98.5-6.24
=92.26
如 98.5一14.82 有括号
(98.5一14.82)÷7.6x3.2
=83.68÷7.6x3.2
≈ 35.23
4.48÷3.2 7.6简便计算
解:4.48÷3.2 +7.6
=1.12÷0.8+ 7.6
=112÷80+7.6
=(80+32)÷80+7.6
=1+0.4+7.6
=1+8
=9
(7.6-3.2÷2)×1.5简便计算
(7.6-3.2÷2)×1.5简便计算
解:
(7.6-3.2÷2)×1.5
=(7.6-1.6)×1.5
=6×1.5
=9
19.8-12.4+3.2-7.6怎样简便计算
19.8-12.4+3.2-7.6
=(19.8+3.2)-(12.4+7.6)
=23-20
=3
简便计算7.6*99*7.6
7.6*99*7.6
=7.6²*(100-1)
=57.76*(100-1)
=5776-57.76
=5718.24
98.5-14.82/7.6*3.1能不能简便
98.5-14.82/7.6*3.1
=98.5-1.95*7.6/7.6*3.1
=98.5-195/310
=98+1/2-39/62
=98+31/62-39/62
=98-4/31
=97又31分之27
简便计算98.510.1
98.510.1
=98.5x(10+0.1)
=98.5x10+98.5x0.1
=985+9.85
=994.85