题目内容
【题目】直接写出得数.
×= 3.7+2.5= 51÷0.25= 1.1﹣0.11=
÷= 68÷0.4= ×= 3.27+7.3=
×6= ×= 627﹣198= 0.1÷50%=
×15= 9﹣= 10﹣2= 3.8×0.1=
×= ÷50%= ×40%= 12%+25%=
0.8÷3= 280÷35= 359+199= 120%﹣70%=
1.4×45= 40÷10%= 241﹣103= 324﹣198=
2﹣1.36= ﹣= 33÷= 0.62+0.4=
0.37﹣0.3= 0.66÷0.3 100×0.48= 5x﹣3x=
35÷100= 0.4×0.5= ﹣= 0.23÷0.1=
1﹣= 0.8π= 1﹣90%= 1+=
÷6=
【答案】,6.2,204,0.99,,170,,10.57,,1,429,0.2,,8,7,0.38,,,,0.37,,8,558,0.5,63,400,138,126,0.64,,30,1.02,0.07,2.2,48,2x,0.35,0.2,0,2.3,,2.512,0.1,1,.
【解析】
试题分析:5x﹣3x根据乘法分配律计算;0.8π把π看成3.14,再计算;其它题目根据运算法则直接求解.
解:
×=, 3.7+2.5=6.2, 51÷0.25=204, 1.1﹣0.11=0.99,
÷=, 68÷0.4=170, ×=, 3.27+7.3=10.57,
×6=, ×=1, 627﹣198=429, 0.1÷50%=0.2,
×15=, 9﹣=8, 10﹣2=7, 3.8×0.1=0.38,
×=, ÷50%=, ×40%=, 12%+25%=0.37,
0.8÷3=, 280÷35=8, 359+199=558, 120%﹣70%=0.5,
1.4×45=63, 40÷10%=400, 241﹣103=138, 324﹣198=126,
2﹣1.36=0.64, ﹣=, 33÷=30, 0.62+0.4=1.02,
0.37﹣0.3=0.07, 0.66÷0.3=2.2, 100×0.48=48, 5x﹣3x=2x,
35÷100=0.35, 0.4×0.5=0.2, ﹣=0, 0.23÷0.1=2.3,
1﹣=, 0.8π=2.512, 1﹣90%=0.1, 1+=1,
÷6=.