口算:298+76=6.4-4=0.25×124.8÷0.0190%×30%1÷18×18=58+14=13÷56=38×49=0.3×2÷0.3×2.-数学

题目简介

口算:298+76=6.4-4=0.25×124.8÷0.0190%×30%1÷18×18=58+14=13÷56=38×49=0.3×2÷0.3×2.-数学

题目详情

口算:
298+76=
6.4-4=0.25×124.8÷0.01
90%×30%
1
8
×
1
8
=
5
8
+
1
4
=
1
3
÷
5
6
=
3
8
×
4
9
=
0.3×2÷0.3×2.
题型:解答题难度:中档来源:不详

答案

298+76=374; 6.4-4=2.4; 0.25×12=3; 4.8÷0.01=480;
90%×30%=0.27; 1÷class="stub"1
8
×class="stub"1
8
=1;class="stub"5
8
+class="stub"1
4
=class="stub"7
8
class="stub"1
3
÷class="stub"5
6
=class="stub"2
5

class="stub"3
8
×class="stub"4
9
=class="stub"1
6
;0.3×2÷0.3×2=4.

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