简便计算6.5﹣3.73+3.5﹣1.277×5.3+0.7×4746×.
直接写出得数.÷= += ÷= ×=1÷0.25= ÷1= ÷3= ﹣=
直接写出得数.÷= ×3= 6×= +×7=100÷10%= ÷1= ÷7=
= ÷21= 2.4×= 42÷= ×=10×10%= 3﹣1= 3π= 1﹣+= ×÷×=
÷8= 1÷0.01= ×6= ÷= 1÷=+= ﹣= ÷= += ×=
直接写得数.= = = == = = =