计算题（5×12）
一．4.7×10.2 6.58×4.5×0.9 7.2×25×0.125 2.8×0.5+1.58 6.73＋2.56＋1.44＋3.27
二．8×5.2+3.8×3.8+3.8 12.5×2.5×24 7.63×99＋7.63 0.0695×2500+695×0.24+51×6.95 (6.7+6.7+6.7+6.7)×2.5 三． 4.44×1.25 36.8×0.25 238÷1.25 0.25×12.5×3.2 0.79×0.46+7.9×0.24+11.4×0.079 四．2.005×390+20.05+200.5×2 12.3×4×0.25
12.96－（0.96－1.52） 1.25×3.14+1.25×2.75+1.25×2.29
85×10.1
五. 2400÷16÷0.5 32×0.25×0.125 2.8×3.2＋3.2×7.2 41.2×8.1+11×1.25+(41.2+12.5) ×1.9 5.2×1111+4.8×1111 六．1.2÷0.25＋1.3×4 5.6×(12.5－8.5 ÷0.85) [(8.1－5.6)×0.9－1]×0.4 8.25×4.08+0.75×4.08+4.08 4.37×50×0.2
七．104×0.25×1.25 3.76×0.25－0.49
34.5×0.03+34.5×0.97 （203.4＋72.2）÷（1.3×0.2） 0.25×0.56×0.125
八．0.68÷（5.2-4.4）×1.25 (1.25+2.5)×6.4
0.65×201 7.2×0.9＋0.01×7.2 6.75－（0.9＋3.75） 九．40.5÷0.81×0.18 9.42×10—94.2×0.9
(2.275 ＋0.625)×0.28 1.27＋3.9＋0.73＋16.1 12.8－4.9－5.1
十．1.2×(9.6÷2.4)÷4.8 8.9×1.1×4.7
1.34＋1.8＋3.66＋0.2 4.8×100.1 0.96－0.28＋0.04－0.72
十一.0.25×5.6×12.5 35.72-4.9-（5.72+5.1）
8.05×3.4+7.6 31.7－0.5×0.7－1.65 111－3.67×2.8－3.67×7.2 十二.12.5×6.3+27×1.25+0.125÷0.01
(1.25－0.125)×6.4 15.25+4.72+4.75+5.28 62.8÷2.5÷0.4 4.8×（15÷2.4）