甲数的是乙数的,甲数是乙数的.
25×12.5×32.
(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(+)×15×175.66×7.28﹣3.16×3.16﹣3.16×4.122012×0.875+201.2×1.25.
怎样简便就怎样算:0.25×3.2×125 28×0.25+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+3.6 ②1.25×32×25 ③5.42﹣(3.75﹣0.58) ④34.7﹣+65.3﹣ ⑤××1×1 ⑥23×+57÷.