计算下列各题,能简算的要简算(1)37.68﹣5.72﹣78.63﹣4.28 (2)112×(24﹣4)÷24(3)1993÷1993(4)1÷(2÷3)÷(3÷4)÷(4÷5)÷…÷( 1999÷2000)
(1)2012× (2)×78+0.5×1.25﹣730÷80 (3)56÷11×165÷7 (4)(﹣)×28+4×7﹣3×7.
计算下列各题,能简便的要简便计算 (+)×15×17 5.66×7.28﹣3.16×3.16﹣3.16×4.12 2012×0.875+201.2×1.25.
怎样简便就怎样算: 0.25×3.2×12528×0.25+28×6.28﹣﹣+3.72(0.125++)×24.
脱式计算.(能简算要简算的) ①2×3.6+3.6×7+3.6②1.25×32×25 ③5.42﹣(3.75﹣0.58) ④34.7﹣+65.3﹣⑤××1×1⑥23×+57÷.
脱式计算下面各题(能简算的要用简便方法计算,并写出简算过程). (84×27﹣2166)÷17×3.7+5.3÷+2.2(0.75÷3﹣0.1)×(1﹣)