脱式计算
怎样简便就怎样算。
3-- ×+×
×+÷ 18×(+)
×7+×5 (-)×24-)
(×+)÷ ÷[(+)×]
(32×+17)÷ (25+)÷+
×+×+ ()
(21×+×21)× (99+)÷9
×÷ ÷[(+)×]
(+)×30 +3÷
×-÷ 4--
×58+×41+ EMBED Equation.3 × EMBED Equation.3 × EMBED Equation.3 - EMBED Equation.3
EMBED Equation.3 × EMBED Equation.3 + EMBED Equation.3 ÷ EMBED Equation.3 EMBED Equation.3 ÷[( EMBED Equation.3 - EMBED Equation.3