①0.77×11□0.7×10 ②2.95×10□30 ③43.28×23□432.8×2.3 ④10.01×12□120⑤14.96×12□180 ⑥15.9×19□320 ⑦81×28□82×29 ⑧48×77□49×78.
能简算的要简算1.6×240﹣16×14 83.3﹣4.14﹣5.86 ×9﹣×6 ﹣(+)÷.
÷4+×.
×5.3﹣+3.7×.
(怎样简便怎样算)185﹣85÷5+83 1/8×2.75+0.125×1/4﹣12.5% 1.25×32×2.5 880×12.5.
脱式计算:(能简算的要写出主要简算步骤)①(+)×24 ②1080﹣63.58﹣36.42 ③(+)÷(﹣)④×[﹣(﹣)] ⑤+÷× ⑥9.05×37+64×9.05﹣9.05.