某单位有78个人，站成一排，从左边向右数，小王是第50个，从右边向左数，小张是第48个，则小王和小张之间有多少个人？
4.2÷0.2=== 0.1+0.2×0.3=．
直接写得数 0.125×8= 0.056×= 7÷1.4= 1.75+25%= 1.8×（1﹣）=×0.3=×9+×9== 1÷0.1﹣1×0.1==
3﹣1.06== 0.1+0.2×0.3==
直接写得数． 1﹣0.92= 12.12﹣12===== 2.7+1.63+7.3= 0.83×9+0.83= 1.25×= 78÷2.5÷4=
直接写出得数． 2.35+1.5=+2.5=+= 0.32= 12÷=×8=÷= 2.8﹣2= 8.2﹣（5.3﹣1.8）= 0.1+99×0.1=
=
=
．
= 7÷1.4= 1.75+25%=
）=
×0.3=
×9+
×9=
=
=
= 0.1+0.2×0.3=
=
=
=
=
= 2.7+1.63+7.3= 0.83×9+0.83=
= 78÷2.5÷4=
+2.5=
+
= 0.32= 12÷
=
×8=
÷
= 2.8﹣2
= 8.2﹣（5.3﹣1.8）= 0.1+99×0.1=
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